Ductus
[医] 管, 导管
🗣️ 情景例句
if you can't make the payments.
如果你们不能还钱
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。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。