Demethanizer
[化] 脱甲烷塔
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
I played upstairs yesterday.
我昨天在楼上玩。
Is that your bike?
那是你的自行车吗？