Day-alternates-with-night

网络释义：昼夜交替；日夜更替；昼夜更迭

网络释义

1.昼夜交替 Farmers usually alternate their crops. 农民通常轮种。 Day alternates with night. 昼夜交替。 ...

2.日夜更替 ... Alternate adj. 间隔的 Day alternates with night 昼夜更迭 Diagnose sth as 诊断……为…