| 单词 | 每节两个小时 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔extend〕The courses are based on a weekly two-hour class, extending over a period of 25 weeks.这些课程每周上一节课, 每节两个小时, 持续25周。外研社新世纪〔extend〕The courses are based on a weekly two-hour class, extending over a period of 25 weeks.这些课程每周上一节课，每节两个小时，持续25周。柯林斯高阶 |
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