Door latch
[化] 排料启闭器
🧩 词语组成解析
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
latch
[lætʃ]
n. 门闩;弹簧锁;
vt.& vi. 闩上;用碰锁锁上（门等）;抓住，占有;
🗣️ 情景例句
Let's get in shape.
咱们去健身吧。
I have a toothache.
我牙好痛。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。