发音舌尖在上下齿之间气流由舌齿间发出声带不震动单词thanks theme theory thick thing think thirst thirty threatthree threw throw bath birth both breath earth health month mouth south truth wealth worth anything everything somethingauthor ethnic method句子Take a bath.Health is wealth.I think he is three.Everything is worthy.Happy 10th birthday!同音[θ]fourth forththrew throughthrone thrown辨音[θ] [s] thin sinbath bass path passthank sankthing singthink sinkthumb sum
