Acetylating
v. 加乙酰基于( acetylate的现在分词 )
🗣️ 情景例句
used for new books
被用来购买新书
Of young men die many, of old men escape not any.
年轻人死得不少，而年迈者是在劫难逃。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。