Medulloid
类髓质激素
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
How come you speak such good English?
你为什么能说这么好的英语呢？