Grayback
n. 灰色动物(如：灰鲸, 黑头鸦,斑背潜鸭等)
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
She is in good shape.
她的身体状况良好。
There was a notice in the supermarket.
超市里有一个布告。