Nucleophile
n. [化]亲核试剂
🗣️ 情景例句
know that I'm running for office
知道我正在竞选公职，
It's earier to run down the hill than go up.
下山容易上山难。
This result merely confirms earlier American and British studies:
结果仅仅确认了美国人和英国人早期的研究：