Leapfrog test
[计] 跳步检查
🧩 词语组成解析
n. 跳背游戏, 竞相提高\\nvi. 跳背, 交替前进\\nvt. 跃过
🗣️ 情景例句
that the animal shelter is so careful
动物收容所需要如此小心
Cool it man，I'm sorry.
对不起，请您息怒。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。