Dichromaticism
二色性
🗣️ 情景例句
The carpet's worn out. Let's put in new wall-to-wall carpeting.
地毯已很破旧了， 我们需要装一套新的。
That's the point.
这正是问题的关键。
Good morning. Can I help you?
早上好！我能帮您什么忙吗？