Crystals
n. 石英晶体；晶体（crystal的复数形式）
🗣️ 情景例句
My car goes way faster than yours, that's why I want to keep it.
我的车比你的要快，这就是我要保留它的原因。
His watch may be more expensive but mine tells the time better!
他的手表可能更贵些，但是我的表的时间要准确些。
A sound made by tapping on the hull of a ship will be reflected from the sea bottom,
敲打船体所发了的声音会从海底传回来，