when groups were collapsed什么意思

when groups were collapsed

当团队倒塌时

collapsed 英[k?'l?pzd] 美[k?'l?pzd]

v. 倒塌; 崩溃; 折叠( collapse的过去式和过去分词 ); （尤指工作劳累后） 坐下;

[例句]The bridge collapsed.

桥崩塌了。

[其他] 原型： collapse