Dichlorethane
[医] 二氯乙烷
🗣️ 情景例句
He's the editor of the Riverdale paper.
他是Riverdale报的编辑。
So five hundred dollars will be 4, 350 RMB yuan.
500美元可兑换人民币4350元。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。