Lead diethyl
[化] 二乙基鉛
?? 詞語組成解析
lead
[lid]
vt. 領導;引導;指揮;
vi. 領導;導致;用水砣測深;
n. 鉛;領導;榜樣;槍彈;
adj. 領頭的;最重要的;領先的;
a. [化]二乙基的
??? 情景例句
I guess you do have two career opportunities
我想你的確是有兩個事業機會
I enclosed some photographs in my letter.
我在信封里裝了一些相片。
What should I do? Maybe I should have told that workmate I knew what he was doing.
我該怎么辦？也許我早該對那個工人說我知道他的行為。