This would explain the moon's strange half-black, half-white appearance, first noted by Giovanni Cassini in the late seventeenth century.
这能解释这个卫星奇异的半白半黑的外貌，17世纪乔凡尼·卡西尼首先注意到这点。
2
People who were half-white and half-black or half-white and half-Asian were both typically identified as belonging to their minority parent's racial group.
那些半是白人半是黑人或半是白人半是亚裔的，都典型地标识自己归属他们父母中少数种族那一类。
3
The straight white parting in her ebony hair seemed to divide the back of her head in half.