Selenium diethyl dithiocarbamate
[化] 二乙基二硫代氨基甲酸硒
🧩 词语组成解析
selenium
[[si'li:njəm]]
n. 硒\\n[化] 硒Se
a. [化]二乙基的
n. [化]二硫代氨基甲酸盐(或酯)
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
A great ship asks deep water.
巨轮寻深水而航行。
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。