Thermocell
温差电偶
🗣️ 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改动我提到的个别地方，你的信就会很完美了。
She is sick in bed.
她卧病在床。
Why not take a friend with you?
为什么不邀上个朋友和你一起去呢？