Six-week-old babies generally breastfeed seven to nine times in a twenty-four-hour period.

VOA: special.2010.08.04

and many of the anonymous poets from the old English period that I studied in my graduate school days.

还有许多我在大学里学过的古英语时期的匿名诗人。

我的专业 - SpeakingMax英语口语达人