他在1987年第一次拜访中国大陆，并参加了江苏省南京市的一场化学会议。

He first visited the Chinese mainland in 1987 to attend a chemistry conference in Nanjing, Jiangsu Province.

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学生们扮演了一些次要角色，并参加了合唱团的演唱。

Students played the lesser parts and sang in the chorus.

《柯林斯英汉双解大词典》

下载学习资料并参加评估会得到积分的奖励。

Downloading the studying material and taking the assessment is rewarded with points.

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Why can't you take to the Hustings, persuade your fellow citizens that taxation is unjust and try to get a majority?

你何不去参加竞选，劝说你的同胞,收税不公正的，并争取到大多数人的支持呢？

耶鲁公开课 - 公正课程节选

Just by like, going through recruitment and listing them as one of my favorites,

就像，参加招新并把他们列为我最喜欢的之一，

加入女生社团 - SpeakingMax英语口语达人

So when we talk about a cohort study, this means taking a group of people and following them over time.

所以当我们提到定群研究,就意味着,有一群人参加实验并需一直追踪下去

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选