Boerner
n. (Boerner)人名；(英)博尔纳；(德)伯尔纳
🗣️ 情景例句
How do you do?
你好。
A good fame is better than a good face.
好的名望胜于好的相貌。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。