Acidifiers
(acidifier 的复数) n.成酸剂
🗣️ 情景例句
It's nice to be alone with you, Grandpa.
很高兴单独与你在一起， 爷爷。
I ask him to tell me everything he knew.
我要求他告诉我，他所知道的每件事情。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。