1. He carefully set down the fragile vase on the table.
他小心地把易碎的花瓶放在桌子上。

2. The teacher asked the students to set down their pens and listen to instructions.
老师要求学生放下笔，听指示。

3. After a long day of hiking, she finally set down her backpack and rested.
经过一整天的徒步旅行，她终于放下背包休息了。

4. The chef set down the plate of delicious food in front of the hungry diners.
厨师把一盘美味的食物放在饥饿的食客面前。

5. The author carefully set down her thoughts and ideas in her new book.
作家仔细地记录下她的思想和想法在她的新书中。

6. The pilot set down the helicopter gently on the landing pad.
飞行员轻轻地将直升机放在着陆坪上。