H. s.
[医] 临睡时
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
Tell me about your educational background.
告诉我你的学习背景。
The Spring Festival lasts half a month until the Lantern Festival comes.
春节要持续半个月左右，直到无宵节来为止。
The pictures it sent us were very disappointing because its main mirror was faulty!
它传送给我们的图像很令人失望，因为它的主要镜子有误差。