🧩 词语组成解析
n. (Petrovich)人名；(俄)彼得罗维奇
[电影]穆索尔斯基
🗣️ 情景例句
Don't worry.
别担心。
Make yourself necessary to someone.
使你有益于人。
This hobby educates one not only in the chosen subject, but also in general matters which have some bearing on it.
这种爱好不仅能使人从选择的专题中受到教育，而且也能从与之有关的一般事物中获得长进。