protecting group 保护基团
hydroxyl group protecting 羟基保护
Boc protecting group Boc保护基
benzyl protecting group 苄基保护基
carboxyl protecting group 羧基保护
removal of protecting group 保护基脱除
formation of protecting group 保护基引入
Protecting Vulnerable Group 保护弱势群体
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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