Diffusibity
弥散性
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。