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
The cloning of human organs is controversial.
人类器官克隆是极具争议性的。
No. You should have taken the Yellow Line bus. You can get one at the next stop.
不是。你该乘黄线车才是。到下一站你可以搭上。
It was so heavy that a crane had to be used to remove it from the lorry.
饼干份量太重了，用了一台起重机才把它从卡车上卸下。