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...
I think it is safe to say that very few students expend the effort to do quality work in school.我认为可以肯定地说学校里很少有学生肯为学好功课下功夫。I think it is safe to say that very few students expend the effort to do quality work in school.....
牲畜的生长或其产品的生产量是农学家最关心的问题.Animal growth or product yield is the ultimate concern of the agriculturalist.牲畜的分布,可采用牛 、 羊 、 山羊 、 家禽等图形表示.Distribution of livestock can be shown better by symbols representing cattle, sheep, goa...
我们必须服从于需要.We must bow to necessity.因为心理学是一门科学, 它主张其理论要服从于观察或实验.Because psychology is scientific, It'submits its theories to empirical testing.人类是宇宙中的人类, 是服从于宇宙规律的.Being is a cosmic being, under the cosmic laws....