Quartz heater
石英加热器
🧩 词语组成解析
quartz
[kwɔrts]
n. [矿]石英;
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
To hiss
咻咻地叫
How can you change your mind at last minute?
你怎么能在最后时刻改变主意呢？