眼下，我们正处于秋冬交替的时候。Right now we are in the changeover period between autumn and winter.那是晴雨天交替的一周.That was a week of alternate rain and sunshine.如果低地必须用于种植豆类作物, 就必须把地整成交替的垄和沟.If low lands must be used for the bean crop, the...
Objective To prepare Homoharringtonine sodium chloride Injection.目的研制高三尖杉酯碱氯化钠注射液.Conclusions The homoharringtonine injection of topical pterygium before excision was effective for decreasing recurrent pterygium.结论术前翼状胬肉...
He then accounts for the precession of the equinoxes.然后他解释分点岁差.The answer is yes, the fastest sunsets ( and sunrises ) occur at or equinoxes.答案是肯定的, 日落 ( 日出 ) 速度较快出现在春分或秋分时.The seasons are marked by solstices and equinox...