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- Heavier nucleus was believed to be formed of a number of protons and electrons packed closely together. 人们相信，较重的原子核是由若干个质子和电子紧密聚集在一起而形成的。
- Let's pack up and spend a week in the countryside. 咱们收拾好东西到乡下去过一个星期吧。
- How would you pack the goods we have ordered? 我们订购的这批货，不知你们是怎么包装的？
- He used to smoke a pack of cigarette a day. 他过去经常一天抽一包香烟。
- We leave tomorrow but I haven't begun to pack yet! 我们明天动身，但我现在还没开始收拾行李呢！
- The ship was nosing a way through the ice pack. 轮船小心地通过大块浮冰。
- Don't forget to pack your toothbrush! 别忘了把牙刷放到箱子里去！
- They went hunting with a pack of hounds. 他们带一群猎狗去打猎。
- It will be to our mutual advantage to work closely. 密切合作将为我们业务的顺利开展提供保证。
- People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
- Pack your bags and make it snappy; we leave in five minutes. 赶快把东西装进你们的包里，5分钟后我们就走。
- Smoking's bad for you; you ought to pack it in. 吸烟对你很不好，应该戒掉。
- The neutrons and remaining protons, in turn, get packed closer and closer until their own repulsive forces come into play, stopping the collapse. 中子和剩馀的质子继续受到挤压而越来越靠近，直到它们自身的斥力发生作用，阻止崩塌继续进行。
- They watched him closely in case he should escape. 他们严密监视他，惟恐他会逃脱。
- Please don't forget to pack me a razor. 请别忘了给我放一把刮须刀进去。
- She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
- What she told you was a pack of lies. 她对你说的话是一派谎言。
- She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
- The tourist carried a pack on his back. 观光旅行者背了个包。
- He used to smoke a pack of cigarettes a day. 他过去经常一天抽一包香烟。
