词汇“be proficient in”用英语简单造句子的方法、技巧、例句及翻译-英语例句辞典

单词	be proficient in
例句	DEFINITIVE EXAMPLES 权威例句〔GOOD AT〕Before you can study at a British university, you have to be proficient in English. 你得精通英语才能入读英国的大学。朗文写作活用
随便看	may may apple may as well may be may be used may day may do may flower may fly may have may i may not may tree may well maya mayan mayan language maybe maybelline maybes maybury mayday maye mayer mayfair

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