释义 |
空洞空洞[kōng dòng]1.■ (物体内的窟窿) cavity; void:肺空洞pulmonary cavity;牙齿上的空洞是由龋蚀造成的。Cavities in teeth are caused by decay.2.■ (无内容) empty; hollow; devoid of content; vague and general:空洞的词句mere phrases; empty phraseology;内容空洞的文章an article empty of matter;作空洞的评论make an inane remark;空洞的议论vague and general proposal3.■ (洞中发生的声音或回音的; 敲打空容器的声音) hollow:空洞的声音a hollow voice 常用词组1.■空洞率 voidage; void ratio;2.■空洞系数 void coefficient;3.■空洞形成 cavitation; porosis |