下沉: 1.(沉没) sink; subside; submerge 短语和例子这两条船同时下沉入海。 the two boats sank together into the sea.2.(陷下去) subside; sink; cave in 短语和例子地基下沉。 the foundations have subsided
大气: 1.(地球周围的气体) atmosphere; air2.(呼吸; 沉重的呼吸) breath; heavy breathing 短语和例子跑得直喘大气 breathe heavily from running; 吓得连大气也不敢出 catch or hold one's breath in fear