Elementary function
[计] 初等函数
🧩 词语组成解析
🗣️ 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鸟是很好的宠物，它们早上的歌声可以将你从梦中唤醒。
Long absent, soon forgotten.
长久不在的人，很快被忘怀。
We're really going to need it.
我们真的一定要定到。