介绍:
发音
双唇成圆形
舌尖不触下齿
单词
mature rural cure
ensure sure tour
during endure pure
purity secure security
curious furious spurious
句子
He is mature.
Let’s have a tour.
This ensures security.
We live in the rural area.
They are curious about everything.
同音
poor pore
sure shore
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