性病的传播已呈下降趋势.The transmission of sexual related diseases have been declining.这完全是出于避孕和预防性病的考虑.This completely is stems from contraceptive and the prevention venereal diseases consideration.目的:探讨新生儿缺血缺氧性病的护理.Objective To e...
Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的.Why do hummingbirds and gorillas both have backbones?为什么蜂鸟和大猩猩都有脊骨?But thoughts eluded her, darting in and out of her mind like frig...
请商店里的那个人帮你把肉切成碎块.Ask the man in the shop to carve the meat up for you.块状硫化物中含有矿化的和未矿化的辉长岩及片岩碎块.The massive sulfide contains fragments of barren and mineralized gabbro, and schist.有些板栅碎块可能立即堆积在刮刀的地方.Some of the grid secti...