Fluorochemical
[机] 氟化物
🗣️ 情景例句
running for the school board.
竞选联合校董会董事。
Do as most men do and men will speak well of thee.
为众之所为，受众之所夸。
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。