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- I have a coupon for ten pence off a packet of soap. 我有一张优惠券，买一盒肥皂可以便宜十便士。
- She bought a packet of shaved ham. 她买了一包切成薄片的火腿。
- He sent the waiter for a packet of cigarettes. 他让侍者去拿一盒香烟。
- Oliver filched a packet of cigarettes from a well-dressed passenger. 奥立佛从一名衣冠楚楚的乘客身上偷得一包香烟。
- He smoked at least half a packet of cigarettes a day. 他每天至少抽半包烟。
- The Travel Service will make you up a packet of food for the journey. 旅行社会替你准备好旅行时随带的一包食品。
- The assignment of electrons is somewhat arbitrary. 电子的分配多少带有武断性。
- The autocorrelation function of electronic wave packet of hydrogen atom in a strong electric field below the zero-field ionization threshold is investigated in the formalism of semiclassical theory. 运用半经典理论研究在强电场中电离阈值下的氢原子电子波包的自关联函数。
- Oxidation involves the transfer of electrons. 氧化过程涉及电子的转移。
- I want a packet of filter-tip cigarette. 我要一包带过滤嘴的香烟。
- An electric current in metal is caused by the movement of electrons. 金属内电流是由电子运动引起的。
- He opened a packet of biscuits and took one out. 他打开一包饼干，从中拿出一块。
- Atoms are made up of electrons and protons. 原子由电子和质子构成。
- He sent the boy for a packet of cigarettes. 他让这男孩去给他买一包香烟。
- I must buy a packet of cigarettes. 我得买一包香烟。
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- The Government has clapped an extra ten pence on a packet of cigarettes. 政府对每包香烟额外提价十便士。
- In a radio tube there is a source of electrons. 在电子管中，有一个电子发射源。
- Sharing of electrons and form a strong covalent. 彼此分享各自的电子而形成了坚固的共价键
- He smoked at the least half a packet of cigarettes a day. 他每天至少抽半包烟。
