The presence or absence of clouds can have an important impact on heat transfer...有无云层对热量的传递会产生重要的影响。She did not mention her mother's absence...她并没有说起她母亲不在场的事。Her absence is due to illness.她因病缺席。A demodulator decode...
After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。She...
Exogamy The fusion of gametes produced by organisms that are not closely related.(异系配合):亲缘关系较远的生物体产生的配子相互融合.Exogamy remains much less prevalent among African Americans.异族婚姻在非洲裔美国人中仍然很少见。Last, it analyzes the relationship...