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...
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...
The old man asked me to write a letter for him.那位老人要我替他写封信.There's no time for me to write a letter to him.我来不及写信给他了.We could write a letter to the headmaster.我们不妨给校长写封信....