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每个活动表示必须由某人或某物完成的某事。
Each activity represents something that must be done by someone or something.
youdao
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可用于向某人提供某物或邀请某人做某事。
You use "Can I", "Could I", and "Shall I" when you offer to help someone.
youdao
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可用于向某人提供某物或邀请某人做某事。
You use "Can I", "Could I", and "Shall I" when you offer to help someone.
youdao