Despite their speed, the IDSN, ADSL and HDSL protocols do have limitations.尽管传输速度快, ISDN 、 ADSL和HDSL协议也都有局限性.With HDSL, they can do it in an hour.用HDSL,安装只要1小时.HDSL is the most established of the XDSL technologies.HDSL是X...
她砰的一下关上门，随手锁上了。She slammed the door and locked it behind her.早上你下楼的时候，前门大概是锁上的吧？Presumably the front door was locked when you came down this morning?每次都要锁上车库。Always lock your garage....
Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.A notably short, silver-haired man, he plays basketball with his staff several times a week.他个子明显较为矮小，一头银发，每周都会和...