slow down 减速
slow motion 慢动作
slow pace 缓慢的节奏
A: Why does the internet slow down in the evening?
A：为什么晚上网络会变慢？
B: It's because many people are using it at the same time.
B：因为很多人同时在使用它。
1) 减慢速度
2) 变得缓慢
3) 减缓进程
1. 减速，变慢
verb
1. To reduce in speed or to make something move more slowly.
Synonym: decelerate