present tense | |
I/you/we/they | bone up |
he/she/it | bones up |
present participle | boning up |
past tense | boned up |
past participle | boned up |
She boned up on the company before the interview. 她在面试之前仔细研究了这家公司。
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net
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