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retain //保持，保留beat //打 （过去式：beat，过去分词：beaten）another //另一个such //例如such asI like fruits，such as apple、banana ...such ... asI like such fruits as apple、banana
固定搭配：... as soon as ... //一 ... 就会 ... ； 当 ... 就会 ...lost as soon as the computer is turned off // 当计算机关机，就会很快丢失even if //即使acting as //充当