proficiency

US /prəˈfɪʃənsi/

UK /prə'fɪʃnsɪ/

B2 中高級英檢高級多益
n. (u.)不可數名詞精通
The students need to improve their reading proficiency

影片字幕

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13:06我如何在10個月內學會了中文 (How I Learned Chinese in 10 Months)

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10:13土耳其超級簡史 (A Super Quick History of Turkey)