Palaeoproterozoic
古元古(生)代[界]
🗣️ 情景例句
Hello. I'm calling from Room 1116.
喂，我这里是1116号房间。
I'll call the roll before class.
课前我要点名。
She likes Mike a lot, but she doesn't want to get married so early.
她喜欢迈克，但她不想那么早就结婚。