Pregel
预凝胶
🗣️ 情景例句
Where did you receive your master degree?
你在哪里获得硕士学位的？
I'm hoping to spend a few days in the mountains.
我正在希望到在山上过一些天。
Number 13 buses run much more frequently, don't they?
13路车跑得更勤，是不是？