1、掩护
...fall flat失败；碰壁；未达到预期效果cover for掩护bite the bullet咬紧牙关，忍受痛苦 ...
2、代替
cover for 代替; 负责或承担（他人的义务或工作）; 掩护..
3、代
... courageously ad.英勇地，无畏地 cover for 代替，代...工作 coverage n. 涉及范围(作用距离,覆盖厚度,涂层) ...
4、代理
... count out 逐个地数，算出；判……失败；不包括 cover for 代理，代替 cover up 掩饰，隐藏 ...
cover up for包庇;为掩盖罪行
Cover up for U你掩护
cover gloss for microscope显微镜防护玻璃罩
Cover glasses for microscopes显微镜用玻璃盖片
cover plate for盖板
cover plate for manhole人孔盖板;翻译;人孔盖板英语
cover up for sb包庇;翻译;当局设法掩盖了事件的真相
cover plconsumed for盖板