行礼
to salute; to make one's salutations
兴利除弊
to promote what is useful and get rid of what is harmful (idiom)
行李传送带
luggage conveyor belt; carousel
行李箱
suitcase; baggage compartment; overhead bin; (car) trunk; boot
行礼如仪
to perform the ritual bows; to follow the customary ceremonies
中性粒细胞
neutrophil (the most common type of white blood cell)
嗜酸性粒细胞
eosinophil (type of white blood cell)
嗜碱性粒细胞
basophil granulocytes (rarest type of white blood cell)
圆珠形离子交换剂
bead-type ion exchanger
旋转行李传送带
luggage conveyor belt; carousel
概型理论
scheme theory (math.)