Nigrescent
a. 發黑的\\n[醫] 轉黑的, 帶黑的
??? 情景例句
All right, let's get down to business.
好，我們來談正事吧。
No. I have been away on vacation.
是呀，我休假去了。
but what he actually said was: 'This is the Poo and Ee Seed Bird Company.Good ladies, evening and gentlemen!
“這是‘浦伊’鳥食公司，好女士們，晚上和先生們！”