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 the
their them then
there these they
this those though
although another either
neither other rather
together whether without
bother brother father
feather further gather
leather 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 there
whether weather

辨音
[ð] [z]
clothe close
teethe teas
bathe bays
breathe breeze
seethe seas
bathe baize
lathe laze
soothe sues