Caterpillar(-mounted)excavator
[化] 履带挖土机
🗣️ 情景例句
He's making money hand over fist.
他财源滚滚。
Did you hear something?
你听到了什么？
Though a little suspicious this time, the policeman gave him the same answer.
虽然那位警察这次有点疑心，但还是对他作了同样的回答。