- 重点词汇
- 户外
outdoor; open-air; outdoors; the open air; the open; outside; in the open
- 拓展
expand; extend; broaden; enlarge; open up; branch out into; expansion; extension; enlargement
- 活动
activity; exercise; task; play; operation; operations; doings; movement; action; event; campaign; ballgame; caper; activate; operate; act; flex; insinuate; active; movable; moving; -ics