a drop-in

US

UK

B1 中級
n. (c./u.)名詞 (可數/不可數)隨意拜訪
The centre offers a drop-in service for people needing advice.
n. (c./u.)名詞 (可數/不可數)自由參加活動
The community centre is holding a drop-in this Saturday.

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The Truth About Chocolate and Your Health

02:59The Truth About Chocolate and Your Health