Entothorax
胸内骨
🗣️ 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。
For professional footballers, injuries are an occupational hazard.
对于职业足球运动员来说，受伤是职业本身带来的危险。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？