The occurrence of the disease is apparently related to standards of hygiene.这种病的发生率显然与卫生状况相关.Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata ( Thunb ) Lour.与麦冬主要病虫害发生规律及防治措施> > 相似...
The greatest occurrence of coronary heart disease is in those over 65.65岁以上者是冠心病的最高发人群。For months at a time, air raids were a nightly occurrence.一度有几个月，每天晚上都会发生空袭。The occurrence of the disease is apparently related to st...
Not all doctors truly understand the reproductive cycle.并非所有的医生都真正了解生殖周期。The male reproductive organs are exterior to the body.男性生殖器在身体的外部.Every animal has reproductive organs.每种动物都有生殖器官....
开始演奏前, 哈利先行调好他的班卓琴.Before he began to play, Harry tuned up his banjo.他拨了拨班卓琴的琴弦, 每个人就都跟著唱了起了.With a few pluck at the string of his banjo, everybodyis singing along.他拨了拨班卓琴的琴弦, 每个人就都跟着唱了起了.With a few plucks at the strings...