- 重点词汇
- 如何
how
- 改善
improve; ameliorate; better; enhance; upgrade; refine; rectify; reform; elevate; optimize; enrich; advance; boost; uplift; perfect; polish up; make better; make improvements to; improvement; amelioration; betterment; enhancement; upward
- 精神不振
be in low spirits
- 状态
state; status; form; condition; mode; en-; -ship; -ery; -ry; -ity; -ion
- 企鹅
penguin