Particle swarm
[化] 颗粒群
🧩 词语组成解析
swarm
[swɔrm]
n. 蜂群，一大群;
vi. 泛滥，挤满;云集，涌往;成群地移动或出现;成群飞离蜂巢，用于蜜蜂;
🗣️ 情景例句
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
All bags contain an inner waterproof lining.
所有包内都有一层防水内衬。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”