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1.a variety of 各种各样的
例句:Minerals can be absorbed and utilized by the body in a variety of different forms.
人体可通过很多不同形式吸收和利用矿物质。
2.stump up 拿出；掏腰包
例句:Customers do not have to stump up any cash for at least four weeks.
顾客们至少四周内都不必付钱。
3.pore over 注视；仔细阅读
例句:AU experts pore over draft law on terrorism.
非盟专家们仔细讨论反恐法律草案。
4.in charge of 负责
例句:He is in charge of the civilian side of the UN mission.
他在联合国使团中负责平民方面的事务。
