Denol
胶体铋
🗣️ 情景例句
Sure, Dad.
一定， 爸爸。
I will go to the airport.
我将去飞机场。
He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。