副总统现在必须承担起最高权力的重任。The vice-president must now take on the mantle of supreme power.这是人民赋予我们的重任.This is an important task which the people have entrusted to us.他肩负重任.He is laden with heavy responsibility....
She hurled the ashtray across the room, narrowly missing my head.她用力把烟灰缸从房间那头扔过来，差点砸到我的脑袋。I emptied the sweet wrappers from the ashtray.我把烟灰缸里的糖纸倒掉。I emptied the ashtray.我把烟灰缸倒空了。...
at once的近义词有：immediately, instantly, presently, directly, shortly, soon, at once, right away。下面这些副词或副词词组均有"立刻，马上"的含义：immediately：指做完一件事后，立即就做另一件事，中间一般没有明显的时间间隔。instantly：指恰恰就在此刻，一秒钟也没耽误。presently：指不久、即将。directly和immediat...