Objective To investigate the distribution and clinical significance of aerobes in the microecosystem of ostiomeatal complex.目的初步研究窦口鼻道复合体微生态系需氧菌分布及临床意义....
他们只好用烟熏温室里的植物.They had to smoke the plants in a greenhouse.你干吗不试着用烟熏死虫子 呢 ?Why did not you try to smoke the insects?那个男人被发现患有传染病, 因此他的房子必须用烟熏来消毒.The man was found to have an infectious disease, so his house had to be fum...
I was a little breathless and my heartbeat was bumpy and fast...我有点儿喘不上气，心脏咚咚地快速跳动着。Experimenters have succeeded in controlling the rate and regularity of the heartbeat.实验者已经成功控制了心跳的速度和频率。Each heartbeat has two basic par...
with a sorrowful mien带着忧伤的神色Be always as merry as ever you can, for no-one delights in a sorrowful man.务请心情常欢畅,只因无人喜忧伤。A funeral is a sorrowful occasion.葬礼是一种令人悲伤的场合.His father's face looked suddenly soft and sorrow...