541. prohibitfrom 禁止, 阻止
542. in proportion to 与成比例
543. protectfrom 阻止..不受,保护不受
544. be proud of 为自豪
545. provide for 为做准备
546. in public 公开地, 当众
547. on purpose故意
548. to the purpose 得要领的, 中肯的
549. be qualified in 在某种科目或学科上合格
be qualified for 在某种职业上合格
550. callin question 对表示怀疑
551. beyond question 毫无疑问
552. out of the question 不可能的
553. in question 所谈及的;
554. without question 毫无疑问
555. be caught in the rain 被雨淋了
556. at random 随便地, 任意地, 胡乱地
557. range over 范围包括
558. range between 范围在..与..之间不等
559. at any rate 无论如何,总之
560. beyond the reach of 无法达到
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