Spelunks
v. 洞穴研究, 洞穴探险
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
You cannot make a crab walk straight.
江山易改，本性难移。
I'm not sure that this conference is as good as last year's.
我确信这次会议不如去年的会议精彩。