Stromatactis
平底晶洞构造
🗣️ 情景例句
What can I do for you, sir?
先生，有什么需要帮忙的吗？
This pencil is longer than that one.
这支铅笔比那一个长。
But don't forget your things early in the morning.
早上别忘了带上你的东西。