我视他为我的朋友和保护者。I regarded him as my friend and protector.对森林的商业开发所带来的影响让智利的自然资源保护者们感到忧心忡忡。Conservationists in Chile are concerned over the effect of commercial exploitation of forests.这座房子年久失修，但一群古建筑保护者已翻盖了房顶。The house fel...
The compound has higher bioactivity to the bacteria through the bacteriostasis testing.经生物活性测定,该化合物对真菌类有较强生物活性.OBJECTIVE : To study the effect of Jianpi washing liquid for bacteriostasis, anti - infusorial, and relieving...