She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
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📚 句中词汇解析
从本句中提取的重要词汇
n. 小提琴;小提琴手;
💡 viola(中提琴)+in(表示缩小的名词后缀)→小提琴
"The cello is a member of the violin family."
大提琴是提琴家族的一员.
近义：fiddle, violinist, fiddler
num. 九;九个;第九;
n. 九，九个;
adj. 九的，九个的;
"They have two children aged six and nine."
他们有两个小孩，一个六岁，一个九岁。