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 threat
three threw throw
bath birth both
breath earth health
month mouth south
truth wealth worth
anything everything something
author 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 forth
threw through
throne thrown

辨音
[θ] [s]
thin sin
bath bass
path pass
thank sank
thing sing
think sink
thumb sum