vacuum: n.(pl. vacuums, vac-ua )1.真空;空处,空虚,空白。2.〔美口〕吸尘器(= vacuum cleaner)。短语和例子a low [partial] vacuum低度[未尽]真空。 feel a vacuum in the lower regions 〔戏谑语〕觉得饿。vi.,vt.〔美口〕1.用吸尘器扫除。2.用真空干燥机干燥。adj.1.真空的。
response: n.1.回答,答复。2.【宗教】应唱圣歌。3. (因刺激等引起的)感应,反应,反响;应验;【物理学】响应;【无线电】灵敏度,感扰性;特性曲线。 短语和例子His oratorical efforts evoked no response in his audience. 他的雄辩在听众中不起反响。 call forth no response in sb.'s breast