- 重点词汇
- 刀剑
knife and sword; cutlery
- 安全
security; safety; safe; secure; invulnerable; gilt-edged; safely; securely; ensure; ensure safety
- 活动
activity; exercise; task; play; operation; operations; doings; movement; action; event; campaign; ballgame; caper; activate; operate; act; flex; insinuate; active; movable; moving; -ics