DictionaryForumContacts

   English
Google | Forvo | +
drop pit
construct. 凹坑
ecol. 跌坑
eng.geol. 跌水坑
tech. 整修机车底部的地坑; 修车坑; 跌水井; 渠道集水井; 落轮坑; 凹井; 集水坑
drop-pit
tech. 凹坑