20秒记一个单词（第397个）priority?
priority /pra?'?r?t?/ n. 优先事项；最紧张的事；主要事变
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例句/词组:
Our first priority is to improve standards.
我们的头号大事是提高水平。
英语表明：
something that you think is more important than other things and should be dealt with first 优先事项；最紧张的事；主要事变
