Soil nutrition content is little fluctuation with seasonal changes.
养分含量的季节性变化幅度较小。
Results show that the height growth of tested herbages is varied with seasonal changes.
结果表明，供试牧草种群高度生长有明显季节性。
As hands of clocks keep running day and night, the sun and the moon work according to schedule. The children have grown along with seasonal changes.
时钟的时针、 分针和秒针每天不停转动；太阳伯伯和月亮姐姐每日随著时间的转变而上班下班；春夏秋冬在更替之际，小朋友亦不断长大。
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