Cargo door
货门
🧩 词语组成解析
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
🗣️ 情景例句
Take me to the railway station.
载我到火车站。
I would like to check her sewing machine.
我要去检查她的缝纫机。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。