The two scouts, swimming across the river, managed to keep under as the enemy's searchlight raked the surface.

Panda is a kind of rare animal.

答案补充熊猫是稀有动物.

The gardener raked over the bed and removed the weeds.

园林工人翻耙苗圃,除掉杂草.

The panda is now a rare animal.

熊猫现在是稀有动物.

He raked the soil to even it off.

他把土耙平.

The boss of the gambling house raked off 20 % for himself.

赌场老板提取20%作为抽头.

In the negotiation about Ryukyu problem, Li Hongzhang's delay policy further impaired Qing's suzerainty.

在琉球问题交涉中, 李鸿章的 “ 延宕之法”进一步弱化了宗主权.

China had the suzerainty over Ryukyu since Ming Dynasty.

自明朝以后,中国对琉球一直拥有宗主权.

The material in this beach has been dated by radiocarbon.

这个海滩上的物质经过放射性碳测定.

Bacteria and bacterial residue carry additional carbon and would skew the radiocarbon date toward the present.

细菌和细菌性残余带来额外的碳,会使现时测定的年代变得不准确.

Researchers use radiocarbon to study certain biological processes.

研究人员借助放射性碳来研究某些生物过程.

radiocarbon analysis

放射性碳分析

The reliability of radiocarbon dating depends on the reliability of dating material.

14C年龄的可靠性在于测年物质的可靠.

And many of the nutrients associated with brain function known to affect transmission at the synapses.

人们知道,许多与脑功能有关的营养成分能影响神经节之间的信号传输.

In early tongue development, neurons enter the tongue epithelium and make synapses with taste bud cells.

在舌的发育早期, 神经元进入舌的上皮组织并且和味蕾细胞形成突触.

As a result, both synapses were permanently strengthened.

结果显示, 这两个突触都永久性地加强了.

Treatment of dampproof and rainproof should be done to transmission device and part.

传动装置及传动部位应作防潮、防雨处理.

a rainproof jacket

防雨夹克

The cart has rainproof function.

本收放车具有防雨功能.

Random select is done with the start button.

用Start键来随机选择.

I will go, rain or shine.

无论下雨天晴,我都要去.