Dichromatism
n. 两色, 两变色性, 二色视\\n[化] 二色性
🗣️ 情景例句
How many classes are you taking this semester?
这学期你有多少课？
What's your size?
你穿多大号？
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。