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<德>n.[亦作z-][生]给时者(指调节生物钟的一种刺激)
🔁 扩展释义
【化】 授时因子
🗣️ 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
Mr. Li is not afraid of working hard.
李先生不怕吃苦。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。