Quartz tube
[机] 石英管
🧩 词语组成解析
quartz
[kwɔrts]
n. [矿]石英;
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
Aren't they students?
他们不是学生吗？
No, it's not him.
不，不是他。