Acidifiers
(acidifier 的复数) n.成酸剂
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
There are only two minutes left.
只剩两分钟了。
Glancing at the bits of wood and metal that lay around him,
年轻人看了一眼周围的碎木片和碎金属片，