- 重点词汇
- 牧歌
pastoral song; shepherd's song; pastoral poetry; bucolic song
- 电气
electric; electrical; electricity; electrical equipment
- 安全
security; safety; safe; secure; invulnerable; gilt-edged; safely; securely; ensure; ensure safety
- 培训
training; coaching; orientation; train; coach; educate; provide training
- 教学
teaching; instruction; pedagogy; tuition; instructional; pedagogical; teach; conduct teaching