Burrowing
v. 挖掘（洞穴）, 挖洞( burrow的现在分词 ); 翻寻
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
Call the doctor!
快打电话叫医生！
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。