很多环戊烷的衍生物在这个范围也出现吸收.Many cyclopentane derivatives also absorb in this region.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.控制缩合反应的温度,还得到一种苯并环...
然后，这些植物就被授粉，从而成熟结籽。These plants are then pollinated and allowed to mature and produce seed.这些花通过昆虫授粉.The flowers are pollinated by insects.某些物种只能异花授粉。Certain varieties cannot be fertilised with their own pollen....
Sumerian religion was polytheistic, that is, the Sumerians and worshipped many gods.苏美人的宗教为多神教, 也就是, 苏美人奉信和膜拜很多神灵....the 3,000 years of the matriarchal Sumerian society.苏美尔人3000年的母系社会历史There are, however, massive brick p...
...rapidly diminishing suppliers of furs and pelts.数量锐减的毛皮供应商Clubbing baby seals to death for their pelts is wrong.为了获得海豹皮而用棍棒打死幼海豹是不道德的。...a bed covered with beaver pelts.铺着海狸毛皮的床Their sleek , unmarred pelts are prime q...
Nonoperative management is appropriate for the majority of proximal humerus fractures.非手术治疗适用于大部分肱骨近端骨折.Genu valgum after proximal tibia fracture is specific complication in childhood.胫骨上段骨折并发膝外翻是儿童骨折的特有现象.The theory ofZ...