- 重点词汇
- 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
- 亲子关系
generational relations; parent-offspring relationship; parent-child relationship
- 技巧
skill; technique; trick; artistry; finesse; knack; skillful; skilled