Melanism
n. 黑变病\\n[医] 黑变病, 黑素沉着病
🗣️ 情景例句
Time for a feeding and time for a diapering.
该喂奶， 换尿布的时候了。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？