Catenation
n. 连锁\\n[计] 连接; 结合; 并列
✅ 同义词
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
To swing
打秋千
As far as I could see, it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.
在我看来，只需稍加调整即可。这儿紧紧螺丝，那儿固定一下，再加几滴油，就会像新的一样了。