Elementary sentence
[计] 初级语句
🧩 词语组成解析
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
Life without a friend is death without a witness.
在世无朋友，死后无证人。
Before long, biscuits of all shapes and sizes began arriving at the factory.
不久，形状各异，大小不一的饼干陆续送到工厂。