Perisperm
n. [植]外胚乳( 亦泛指胚乳, 包括内、 外胚乳)
🔁 扩展释义
【医】 外胚乳
🗣️ 情景例句
What's going on?
怎么样了？
Is that girl a student?
那个女孩是学生吗？
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。