Tetrag
正方晶的, 四方晶的
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
Excuse me to have kept you waiting.
对不起让你就等了。
We'd like you to change shippers for the next order.
下次的货我们希望换一家运输公司。