In the last 30 years, both sexes have performed a somersault in terms of expectations, roles and relationships.最近 30 年里，男性和女性在个人期望、社会角色和人际关系方面都发生了 180 度的大转变。What worries some of us is that the Prime Minister may feel sim...
在花青苷开始积累的两周内类黄酮和总酚含量下降.During two weeks that anthocyanin begined to accumulate, flavonoid and total phenol decreased.黑穗醋栗和红穗醋栗果实中可溶性糖与花青苷之间呈显著相关.Relationship between soluble sugar and anthocyanin in black and red currant...
昨天地上有白霜.There was white frost on the ground yesterday.盘型的百分率随白霜频率而异,自30到90.The percentage of plate types ranges from 30 to 90 depending upon hoarfrost frequency.清晨,草上覆盖着一层白霜.The grass was covered with frost in the early ...