Prelecting
vi. 讲课；讲演
🗣️ 情景例句
He's quiet now.
他现在很安静。
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
The ice is hard enough to skate on.
冰已经厚得可以划冰了。