Thermocell
温差电偶
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
Even the walls have ears.
隔墙有耳。
decided to take some presents to a children's hospital.
盖茨决定送些礼物给儿童医院。