Your name has popped up from time to time.你的名字时不时地蹦出来。

She was startled when Lisa popped up at the door all smiles.当莉萨满脸堆笑地出现在门口时, 她大吃一惊。

If you solve one problem another immediately pops up.你解决了一个问题, 下一个问题又会立刻冒出来。

Then Jeff's head popped up right beside the boat.这时, 杰夫的头突然从船侧冒出来。

Her toast popped up and she buttered it.她的烤面包自动弹了出来, 接着她往上涂了黄油。