Countershading
n. [动]反荫蔽(动物保护色的一种类型, 这类动物背部颜色深于腹部,上面投下的光线使它全身颜色均匀而不醒目)
🗣️ 情景例句
Happy Thanksgiving.
感恩节快乐。
Would you mind if I took a day off?
我请一天假可以吗？
They were talking loudly.
大声地说着话。