Excavator
n. 开凿者, 开凿机, 挖土机\\n[医] 挖器, 剜器
✅ 同义词
📖 牛津释义
excavator
n person engaged in or machine used forexcavating 挖掘者; 挖掘机
excavators on an archaeological site 考古场地上的挖掘者
mechanical excavators 挖掘机.
🗣️ 情景例句
What business are you in?
你从事哪一行？
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,
假如有如此高级文明生命访问了我们的太阳系，