Playpen
n. 游戏围栏
✅ 同义词
🗣️ 情景例句
Not just for young people.
不仅仅对年轻人来说是这样。
He's an American.
他是美国人。
examined a very large number of men working on aircraft carriers:
调查了许多在航空母舰上工作的人，