花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。When someone has hayfever, the eyes and nose will stream and itch.症状包括流泪、流鼻涕、头痛和咳嗽。Symptoms are streaming eyes, a runny nose, headache and a cough.她的眼睛被风吹得直流泪。Her eyes were streaming now from the wi...
滩头鱼是唯一生活在海里的鲤科鱼.The tribolodon brandti is the only kind of carp that lives in the sea.一年后, 公傻瓜鲤科小鱼生产蛋和主要停止了再生产.A year later, the male fathead minnows were producing eggs and had largely stopped reproducing.鲤科小鱼或其它小的淡水或咸水...
Cosmic rays and X - rays produce energetic electrons by ionization.宇宙射线和 X 射线因其电离作用产生高能电子.Method: CBPI - M 25 - 0.25 capillary column and hydrogen flame ionization detector were selected.方法: 采用 CBP1 -M25-0.25石英毛细管柱,检测器为氢...