Tgr
高炉煤气回收
🗣️ 情景例句
Where do I sign this?
我签在哪里？
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
The leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground.
当这个队的队长正在检查洞口附近的土壤时，那台机器显示出它的下面埋有金子。