Diffusibity
弥散性
🗣️ 情景例句
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
Out of sight, out of mind.
久违情疏。眼不见，心不烦？
I had nearly reached the town, when the young man suddenly said, very slowly, Do you speak English?'
“你会讲英语吗？”