Strlen
字符长度
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
Packing has a close bearing on sales.
包装直接关系到产品的销售。
He paused for a reply.
他停下来等着回答。