Situps
仰卧起坐
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
An ass endures his burden but not more than his burden.
驴子能负重，但不堪超过力之所及。
We seem to be three packages short.
好像少了三大箱。