13. cushion：名词，坐垫；当动词用，是指缓和，缓和或降低对某事的撞击或震动（to soften or decrease impact of something）例如：
Powerful shock absorbers cushion our landing. (有效的减缓装置缓解了我们着陆时的冲撞力。)
Nothing can cushion the sorrow of her mother's death. （什么也不能减轻她丧母的悲痛。）
14. cap：名词，便帽；当动词用，是指限额、约束或制止。(to limit something) 例如：
The new law has capped the crabbing season in our area. (新法令限制了该地区捕蟹的时节。)（即不准随时捕蟹）
Our school will cap the white student enrollment to promote its diversity programs. (本校为了促进生源的种族多元性，对白人学生的生源加以了限制。)
15. showcase：名词，陈列柜；当动词用，是指展览或亮相 (to highlight)。 例如：
She fully showcased her ability in the debate. (她在这场辩论赛中充分展示了自己的才华。)
The real estate company is showcasing many new houses in the newspaper.（该房地产公司在报纸上展示了多款新房型。）
16. grandfather：名词，祖父；当动词用，是指保护（免受限制）或保持现状 (to protect or to keep the same status)。例如：
Our current employees will be grandfathered under the existing health insurance.（现有卫生医疗制度为我们的员工提供了保障。)
Everybody would like to grandfather this regulation as it is. (大家都想要保持现有的制度。)
The new staff members can not be grandfathered into the old pension system. (新员工不能享受旧有的养老制度。)
17. corner：名词，角落或壁角；当动词用，是指将某人逼入困境或令人无地自容（to put someone in a bad spot )。 例如：
Don't try to corner your spouse. (不要让你的爱人为难。)
He has been cornered by his best friend. (他最好的朋友却让他感到无地自容。)
Finally, the escaped criminal was cornered. (那名逃犯最终走投无路了。)
18. distance：名词，距离；当动词用，是指冷淡、疏远或与某人保持距离（to keep yourself a distance from someone）。例如：
It is difficult for him to distance himself from her. (对他来说，疏远、冷淡她是很困难的。)
The politicians will distance themselves from the controversial issues. (政客们想要尽量远离有争议的问题。)
The parents advise their daughter to distance herself from her boyfriend. (她的父母劝告她要和男朋友保持一定距离，不可太过亲密。)
