Effortful
a. 显示努力的,充满努力的,需要努力的
✅ 同义词
🗣️ 情景例句
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
You can never tell.
不知道。
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。