protecting group [有化] 保护基 ; 保护基团
hydroxyl group protecting 羟基保护
hydroxyl group protecting reaction 羟基保护
Boc protecting group Boc保护基
benzyl protecting group 苄基保护基
Germany's preference for a larger group is partly about protecting established EU institutions.
德国倾向于更大的联盟有几分是为保护现有的欧盟机构。
Recent funding for a conservation plan, through Birdlife Asia, a conservation group, is a start. But protecting colonies from egg-hunters is the immediate challenge, and not only in Zhejiang province.
最近,由亚洲鸟类保护组织提供的一笔用做保护计划的资金启动,但是保护那些繁殖地不受偷蛋者的侵扰是一个迫在眉睫的挑战,不光在浙江。
I joined and volunteers group four “Green Olympics”. We spread leaflets in our schools, prevent people from littering, or organize environment-protecting activities.
我加入了一个志愿者小组,为“绿色奥运”出自己的一份里,我们在学校里散发传单,制止人民乱扔垃圾,组织环保活动。
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