15秒记一个单词「第233个」span
span /sp?n/ n. 持续时间
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例句/词组:
The project must be completed within a specific time span.
这项工程必需在划定限期内完成。
英语表明:
the length of time that sth lasts or is able to continue 持续时间
The project must be completed within a specific time span.
这项工程必需在划定限期内完成。
the length of time that sth lasts or is able to continue 持续时间
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