Cavers
(caver 的复数) n. 探察洞穴的人, 研究穴窟的人
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
To graduate from the university
大学毕业
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。