sunday
US /ˈsʌn.deɪ/
UK /ˈsʌn.deɪ/

1.
星期日, 週日
the day of the week before Monday and after Saturday, observed by Christians as a day of worship and rest, and the first day of the week in many secular calendars.
:
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We usually go to church on Sunday mornings.
我們通常在星期日早上做禮拜。
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I have a day off every Sunday.
我每個星期日都休息。