Chemicla
化学品
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
You cannot make a silk purse out of a sow's ear.
猪耳朵做不成丝钱包；巧妇难为无米之炊。
Mum! I feel a little better now.
妈妈！我现在感觉好一点了。