Pneumatic cushioning
[化] 空气弹簧
🧩 词语组成解析
[机] 缓冲剂
🗣️ 情景例句
I'd like to give thanks for a healthy year, a good job,
我感谢这一年来身体健康 工作顺利，
Work hard, otherwise you'll be sorry.
努力用功，否则你会后悔的。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？