There is no reason why love shouldn't cross the age barrier.

爱情没有理由不应跨越年龄障碍。

The first problem is that the “happy path” does not cross boundaries very well: the key barrier is the barrier of intention.

第一个困难是“幸福之路”并不能很好地跨越边界：主要的障碍来自于利益不同。

Tryptophan has to fight with other amino acids to cross the blood-brain barrier and get into the brain.

色氨酸必须打败其他的氨基酸，才能通过血管-大脑的障碍物，到达大脑。

Some of these AI viruses have also been reported to cross the species barrier and cause disease or subclinical infections in humans and other mammals.

也有报告称，某些禽流感病毒跨越物种界限传播，并导致人类和其他哺乳动物患病或亚临床感染。

A 2009 study published in the journal Cancer Research showed that specially-engineered nanoparticles can cross the barrier and attach to tumor tissue.

2009年，发表在《癌症研究》上的一篇论文指出，新型的纳米粒子可以穿过屏障，并附着在肿瘤组织上。

And if a molecule cannot cross the barrier, it will not make an effective neurological treatment.

不能通过屏障进入脑的分子当然就无法完成有效的神经治疗。

And a little ways down the freeway there is a gap in the center barrier, and I calmly turn the wheel and cross over.

沿着高速公路开了一小段路后，在中间路障处有一个洞，我平静地转动方向盘，穿了过去。

If the cells did cross the placental barrier, the child's immune system should have recognised them as foreign invaders and destroyed them.

如果癌细胞确实穿过胎盘屏障，孩子的免疫系统应该会将它们视为入侵者，从而消灭它们。

Treatment success in the second stage depends on a drug that can cross the blood-brain barrier to reach the parasite.

第二阶段的成功治疗依赖于可穿过血脑屏障达到寄生虫的一种药物。

Introduced correctly, learners "cross a fear-barrier" - this journey has wider benefits in terms of confidence.

经过正确的引导，初学者“跨越了恐惧障碍”，这种经历有利于信心的建立。

In the second stage the parasites cross the blood-brain barrier to infect the central nervous system.

在第二阶段，寄生虫穿过血脑屏障感染中枢神经系统。

This would mean that a condition that affects the brain could be treated with something that does not cross the blood-brain barrier and does not come into contact with the brain.

这将意味着，大脑疾病的治疗可以无需穿过血脑屏障，也无需与大脑接触。

Dr Renslo and his colleagues have therefore been analysing and modifying the chemical structure of aminothiazoles to see if this can enable them to cross the blood-brain barrier.

为此，Renslo博士与其同事已经在分析并尝试修饰氨噻唑的分子结构，以使之能通过血脑屏障。

Finding a drug that can cross the blood-brain barrier is the bane of drug development for Alzheimer's disease and other neurological disorders of the brain.

发现一种可以穿越血脑屏障的药物是阿尔茨海默氏病和其他脑部神经疾病药物研制中的障碍。

I gave you all, do not ask me to return any of you, just the quiet guard, has always refused to cross that barrier Road.

给了我你的所有，却不要求我回报你任何，只是静静的守护着，从来都不肯越过那道屏障。

The fission barrier parameters for actinide nuclei were obtained by analysis and calculations of fission cross-sections and complete neutron reaction cross sections.

通过分析和计算锕系核裂变截面和全套中子反应截面获取了一组锕系核的裂变位垒参数。

But drinking red wine is not likely to improve blood sugar and insulin levels because resveratrol does not cross the blood-brain barrier very efficiently.

但是喝红酒并不能增血糖和胰岛素的水平，因为白藜芦醇在脑中不能有效地通过血脑屏障。

The traffic barrier will block the bad traffic behavior and block the pedestrian or bicycle or motor vehicle trying to cross the road.

交通护栏将阻拦不良的交通行为，阻拦试图横穿马路的行人或自行车或机动车辆。

CPR Mask training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.

培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。

Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.

药物可通过被动扩散、易化被动扩散、主动转运或胞饮作用等方式穿越生物屏障。

Although skin can be a relatively impermeable barrier, a few drugs have just the right physical and chemical characteristics to cross it at reasonable rates.

虽然皮肤是相当不易穿透的障碍，但少数药物的物理化学特性，恰好能让这些药物以合理的速率穿过皮肤。

Hermit crabs struggle to cross a patch of oil from the the Deepwater Horizon spill on a barrier island near East Grand Terre island, Louisiana on Sunday, June 6, 2010.

寄居蟹斗争跨越从地平线上的深水港附近的一个渔村岛东大屏障岛的石油溢出补丁，上周日，2010年6月6日美国路易斯安那州。

These shorter molecules can cross the blood-brain barrier and can be used by the brain as an emergency metabolic fuel.

这些短链分子可以越过血脑屏障作为应急能源被大脑利用。

Tiny metal particles have been shown to cause changes to DNA across a cellular barrier - without having to cross it.

微小的金属粒子可以隔着细胞屏障改变dna，而不必穿过它。

There is no reason why love shouldn't cross the age? Barrier.

认为爱情不可以跨越年龄障碍的说法是没有道理的。

Training in cardiopulmonary resuscitation techniques, to carry out artificial respiration training, a person must be taken to a barrier film to prevent cross infection of bacteria.

培训心肺复苏技术，进行人工呼吸训练时，必须采取一人一片屏障面膜，防止病菌交叉感染。