Jettron
气动开关(气流阻塞时产生电讯号)
🗣️ 情景例句
We once found a cat.
我们有一次找到一只猫，
What is the economy like in this country?
这个国家的经济如何？
There are mice next to the refrigerator, under the sink and inside the cupboard!
冰箱边、洗碗槽下，还有橱柜里面都有老鼠！