Nigrescence
n. 变黑, 黑色
🗣️ 情景例句
Thanks, Mrs. Martinelli.
谢谢 ，Martinelli太太。
Just listen to me, and you'll be fine.
听我的准没错。
Errors and uncertainties multiply, cascading upward through a chain of turbulent features,
错误和不可靠性上升，接踵而来的是一系列湍流的微状，