Deutoxylem
后生木质部
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
I don't know. What about this blue one?
我不清楚，这个蓝的怎么样？