overcloud
v. (使)变阴暗；（使)变阴沉
过去式：overclouded 过去分词：overclouded 现在分词：overclouding 第三人称单数：overclouds
近义词：cloudover，bedim，obscure，
英英释义
Verb
- become covered with clouds;
"The sky clouded over"
- make obscure or unclear;
"The distinction was obscured"