Pcw
n. 制程冷却水；物理化学加工
🗣️ 情景例句
And there's so much to do.
而且这里总是有许多事可做。
He learns English every day.
他每天都学英语。
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。