Leapfrog method
[计] 跳步法, 跳点法
🧩 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
I have to postpone our appointment.
我要把我们的约会延期。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
It's made of metal and wood.
是用金属和木材做的。