周二下午，我们班开展了一次有意义的公益活动。

On the Tuesday afternoon, our class carried out a meaningful public service activities.

youdao

但是，之前我说过了，这是一次公益活动，来，或留，在于你。

However, I have said before, this is a public good, to, or remain, is you.

youdao

但是，之前我说过了，这是一次公益活动，来，或留，在于你。

However, I have said before, this is a public good, to, or remain, is you.

youdao