Door engine
[机] 关门机
🧩 词语组成解析
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
What do you mean?
你是什么意思呀？
How did you doing spend your holiday?
你假期怎么过的？
Which books did you buy?
您买的是两本什么书？