activity
/ækˈtɪvəti/KK
æk·tɪ·və·ti
變化形
activities
1.
活動；活躍的事務
為了特定目的、興趣或娛樂而進行的一件事或一連串事情，常指課程、休閒或團體安排的項目。
用法：可數名詞。說「一項活動」時用 an activity；泛指多項活動時常用 activities。activity 後常接介系詞，如 activity for children、activity at school。
Our teacher planned a group activity to help us practice speaking English.
老師安排了一項小組活動，讓我們練習說英語。
The local center offers free activities for children during winter vacation.
當地的活動中心在寒假期間為孩子們提供免費的活動。
2.
活動；活躍狀況；動態
某個地方、組織、領域或系統中正在發生事情的狀況，常帶有忙碌、頻繁或持續進行的意思。
用法：此義通常不可數，不說 an activity 來表示「活躍狀況」。常見搭配包括 business activity、physical activity、online activity、criminal activity。
There has been much activity on the school page since the results were shared.
結果公布後，學校網頁上一直有很多活動。
The program records your daily activities, including walking and riding a bike.
這個程式會記錄你每天的活動，包括走路和騎腳踏車。
3.
活性；作用能力
物質、細胞、酵素或藥物發揮作用、產生效果的能力或程度。
用法：通常作不可數名詞，常與 chemical、biological、enzyme 或 antiviral 等詞搭配。
The teacher planned a fun activity for the students.
老師為學生安排了一項有趣的活動。
常見錯誤
We did many activity in English class.
We did many activities in English class.
The teacher gave us an activitys.
The teacher gave us an activity.／The teacher gave us some activities.
I joined the activity in playing basketball.
I joined the basketball activity.／I took part in an activity that involved playing basketball.
There are many activities in the volcano.
There is a lot of volcanic activity in the volcano.
相關字詞
學習提示
・activity 是「可安排去做的活動」時，常可數；表示某領域持續發生的動態時，通常不可數。
・學校情境中，classroom activity 指課堂活動；after-school activity 指課後活動。
・不要把 activity 一律譯成「運動」。表示運動或身體活動時，常見說法是 physical activity；正式的運動項目則常用 exercise 或 sport，須依語境選擇。