Quinolyl
喹啉基
??? 情景例句
You really surprised me
你已經(jīng)夠讓人驚喜了
The exception proves the rule.
例外能反證規(guī)律。
People said gold could easily be picked up by washing sand from the river in a pan of water.
據(jù)說，在一盆水里淘洗可沙就很容易找到金子。