diffident缺乏自信的;胆怯的;羞怯的adjective DIF-uh-duntDefinitionhesitant in acting or speaking through lack of self-confidence犹豫不决的或说话缺乏自信reserved, unassertive内向的,谦逊的archaic : dist
Gigantic machine used to construct residential building in Chongqing, China中国重庆使用住宅造楼机来造楼1 floor in 3 days! A gigantic high-rise building machine is used to construct re