Siphonostele
n. [植]管状中柱
🔁 扩展释义
【医】 管状中柱
🗣️ 情景例句
But some things are personal or private, and questions about them are not polite.
但是有些事是私人的，问这些方面的问题是不礼貌的。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，