s读懂暗含的意思41la
guageacquisitio
语言习得42term术语43implicatio
含义of…充分意识到…44befullyawareof…充分意识到…45optimistic乐观的46pessimistic悲观的47drawback弊端
f48preciousgift宝贵的礼物49li
guist语言学家50missio
impossible不可能的任务
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