Children expend a lot of energy and may need more high-energy food than adults.孩子们消耗很多能量，可能比成年人需要更多高能量的食物。If you give up exercise, your muscles shrink and fat increases. By the same token, if you expend more energy you w...
大多数舰船弹药极度匮乏。Most of the ships were woefully short of ammunition.弹药必须定时更换。The cartridge must be replaced at regular intervals.他们没收了武器、弹药和宣传材料。They confiscated weapons, ammunition and propaganda material....
These crystal lattices may have imperfections, such as dislocations and vacancies.这些晶格可能有不完善之处, 例如位错和空穴.The process of development produced dislocations that strained political stability.发展的过程引起了脱节现象,破坏了政治稳定.The boundari...