Hopper door
[化] 进料斗盖
🧩 词语组成解析
hopper
['hɔpə]
n. 漏斗;单足跳者;跳虫;储料器;
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
🗣️ 情景例句
No, thank you.
不， 谢谢 。
How did he get away with cheating?
他是如何考试做弊而未被发现？
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，