Eustele
n. [植]真中柱( 存在于大多数裸子植物和被子植物的茎内)
🗣️ 情景例句
Yes, this is my youngest son Robbie.
是的 这是我的小儿子Robbie。
What time does the plane take off?
飞机何时起飞呢？
and began climbing towards the bedroom window.
开始向卧室的窗口爬去。