More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.The substituent is deuterium.取代基是重氢.the nucleus of a deuterium atom氘原子的原子核Deuterium is widely used in the study of reaction mec...
Choice having introduced the hammerhead and cleading chemical composition.介绍了锤头和衬板化学成分的选择.Ha! Missed again, you hammerhead halibut. Here boy, here, go get it.哈! 又错过了, 你这只锤子头的大比目鱼. 这里,小子, 这里, 抓住它.It a haven for hammerhead...