Tetrag
正方晶的, 四方晶的
🗣️ 情景例句
Do you speak a foreign language?
你会讲外语吗？
After you think it over,please let me know what you decide.
在你考虑它以后，请让我知道你决定什么。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。