Bowdrill
n. (原始人用来取火或钻洞的)弓钻
🗣️ 情景例句
How come he never got married?
为什么他不结婚？
Is this book his?
这本书是他的吗？
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。