发音舌尖在上下齿之间气流由舌齿间发出声带震动 单词than that thetheir them thenthere these theythis those thoughalthough another eitherneither other rathertogether whether withoutbother brother fatherfeather further gatherleather mother northern句子Their team wins.Don’t bother that.We like to gather together.I love my father and mother.They should know these things.同音[ð]their therewhether weather辨音[ð] [z]clothe closeteethe teasbathe baysbreathe breezeseethe seasbathe baizelathe lazesoothe sues