Deddendum
[机] 齿根
🗣️ 情景例句
They are expecting their first child.
他们在怀他们的第一个小孩。
If I wanted to rent a van, how much would it cost?
要是我租一辆搬运车，得花多少钱？
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。