Diplodesmic
双层维管束的
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
Yes, thank you. We enjoyed ourselves very much.
挺好，谢谢你。我们玩得非常愉快。