这个行动于本周在缅因州卡姆登镇举行的Pop ！Tech年度会议上宣布。

The initiative was announced this week at the annual Pop! Tech technology conference in Camden, Maine.

youdao

这个行动于本周在缅因州卡姆登镇举行的Pop ！Tech年度会议上宣布。

The initiative was announced this week at the annual Pop! Tech technology conference in Camden, Maine.

youdao