Crystals
n. 石英晶体；晶体（crystal的复数形式）
🗣️ 情景例句
I hope you don't mind
希望你不介意
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
The shuttle Endeavour will be taking the astronauts to the Hubble.
“奋进”号航天飞机将把宇航员送上哈勃。