The material in this beach has been dated by radiocarbon.

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.

Rain or shine , the game will be held as scheduled.

不论下不下雨, 比赛照常举行.

Rain or shine, I go to church every Sunday.

每星期日不论晴雨我都会去教堂作礼拜.

Rain or shine, he is at the office at 7:30 without fail.

无论天晴下雨, 早上七点半他准到办公室.

The meeting has been announced for tomorrow evening, rain or shine.

会议定在明晚, 风雨无阻.

Rain or shine, I'll go.

不管下雨还是晴天, 我都要去.

I know you are my best friend, rain or shine.

我知道你在任何情况下都是我最好的朋友.

Rain or shine, we will go.

不论晴雨, 我们都要去.

Sam knows he can depend on his family, rain or shine.

萨姆知道无论情况如何,他都可以将家庭作为靠山.