Trimetrical
a. 有三音步的, 斜方晶系的
🗣️ 情景例句
Yeah. Thanks.
凑数的， 谢谢你。
Who wrote that music?
那首音乐是谁写的？
Yes. Wash your hands with soap at the end of your experiment.
可以。在实验结束时要用肥皂洗手。