- 重点词汇
- 什么
what; whatever; wot; something; anything; everything; nothing (in negative statements); eh; pardon
- 原因
reason; cause; source; rationale; basis; occasion; motive; motivation; sense; meaning; anatomy; recipe; explanation; causation; causal
- 意外
accident; unexpected event; surprise; contingency; unexpected; accidental; unforeseen; surprising; unanticipated
- 企鹅
penguin