Knuckled
v. （指人）指关节( knuckle的过去式和过去分词 ); （指动物）膝关节, 踝
🗣️ 情景例句
If I fail this exam I'll fail the course.
我要是考试没通过，这门课就没学分了。
Do you usually lenrn Japanese on Saturday?
你通常在星期六学日文吗？
Recently it was damaged by a visitor.
可它最近被一个客人弄坏了，