Bowdrill
n. (原始人用来取火或钻洞的)弓钻
🗣️ 情景例句
That's it.
就这样。
It's difficult to make a decision whithout knowing all the facts.
不了解所有事实而做出决定是困难的。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。