- 重点词汇
- 幼儿
child; toddler; young child; tot; preschooler; infant; babe; youngster; little one; the young; nestling; runabout
- 溺水
drown; be drowned
- 安全
security; safety; safe; secure; invulnerable; gilt-edged; safely; securely; ensure; ensure safety
- 知识
knowledge; learning; know; wisdom; know-how; information; command; erudition; lore; cognition; knowledgeable; learned; epistemic