A glass or quartz tube has tungsten electrodes sealed in each end.两根钨丝电极是封在玻璃管或石英管的两端.She sealed the letter.她把信封上了。The milk was sterilized and sealed in bottles.牛奶经过灭菌处理后被封装在瓶子里。She merely filled the containers, sealed t...
a funky disco beat适宜跳舞的迪斯科强节奏Teenage disco music pumped out at every station.每一站都喧闹地播放着十几岁少年所喜爱的劲爆迪斯科音乐。A sit-down dinner was followed by a disco.晚宴之后播放了一曲迪斯科舞曲。The disco bouncer threw out four drunk teenagers.迪斯科舞厅的保镖把四...