Monometric
a. 單音步詩行的；【晶體學】等軸的
??? 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水難收。
I asked him to pay, but he wouldn't.
我請他付賬，但是他不肯。
No, we're American.
不是，我們是美國人。