Pentaethylated
五乙基化的
🗣️ 情景例句
I can't answer that one.
我回答不出那个问题。
I saw him last Monday.
我上个星期一看到他。
At this period Indians living in South Africa were badly treated by South African whites, and very few of them had the right to vote.
在那一时期，居住在南非的印度人受到南非白人的虐待，他们当中有选举权的寥寥无几。