Prelection
n. 讲课, 讲演
✅ 同义词
🗣️ 情景例句
Uh, it's four-thirty. Oh my!
啊 ，已经四点半了。啊 ，天啦！
Please don't snack; you will ruin your dinner.
请别吃点心了，你会对正餐失去胃口的。
The children started to walk around the island.
孩子们开始绕着小岛散步。