Sigmatism
s发音困难
🗣️ 情景例句
I guess they must have inspected only part of the goods, but not the whole.
我猜想，他们检查的只是部分货物，而不是全部。
Her husband doesn't think she should continue working after the baby is born.
她的丈夫认为女人生了孩子就不应该再继续出去工作了。
Hello. Is that Li Lei?
喂。你是李雷吗？