Crystals
n. 石英晶体；晶体（crystal的复数形式）
🗣️ 情景例句
Can I buy travelers checks here?
这儿能买旅行支票吗？
I'm tired of going to school day after day.
我厌倦每天上学。
An old watch, by contrast,
然而一只老掉牙的手表，