Diffusance
扩散度
🗣️ 情景例句
And if I can be of any help,
如果我能有所帮忙的话，
I was born on September 1st, 1976.
我出生在1976年9月1日。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。