took怎么记忆、单词tortoise怎么记忆

costcostcost花费价值为taketooktaken花费5saysaidsaid说讲speakspokespoken说演讲telltoldtold告诉说吩咐断定talktalkedtalked谈话，讲，谈论，议论英语不规则动词记忆方法二1无变化，过去。新生活是给自己每