Nonexchange
(染色体)不交换
🗣️ 情景例句
No, I'm from Greece.
不是，我是从希腊来的。
Some people never learn.
有些人就是学不乖。
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。