The city has been through many vicissitudes.这个城市经历了多次兴衰.He experienced several great social vicissitudes in his life.他一生中经历了几次大的社会变迁。Whatever the vicissitudes of her past life, Jill now seems to have come through.不管过去经历了...
We sat in the upper tier at the stadium.我们坐在体育场的上排.Each tier of cells is earmarked for a particular function.每层细胞都有明确的特殊功能标记.Heated air is forced into the upper tier of ducts.加热的气流被送入上面的一排管道....
为苔藓和地钱的孢子体世代具有.Sporogonium The sporophyte generation in mosses and liverworts.孢子体是寄生在配子体上的.The sporogonium is parasitic on the gametophyte generation.孢子体:为苔藓和地钱的孢子体世代具有. 由受精卵发育而来, 包括基足、柄和孢蒴. 孢子体是寄生在配子体上的.Sporopore The ae...
Menstruation may cease when a woman is anywhere between forty-five and fifty years of age.女性停经是在45至50岁期间。Women enjoy special protection during menstruation, pregnancy , child birth and baby nursing period.妇女在经期 、 孕期 、 产期...