- 相关词组
- Greed is hard to satisfy欲壑难填
- xyloid coal木质煤
- yellow coal黄煤
- an evil that presses hard upon one's heart心腹之患
- find it hard发现很难
- study hard in spite of poverty囊萤映雪
- A thief from within is hard to guard against家贼难防
- Health and pull hard pull生拉硬扯
- hard to walk even an inch寸步难移
- work very hard regardless of weather沐雨栉风
- woody brown coal木质褐煤
- A settled practice is hard to reform积习难改
- hard learning难学
- workable coal seam可采煤层
- zinc ash锌灰
- Chinese ash枫杨，白蜡树;
- yield of coal煤产量
- wife who has shared her husband's hard lot糟糠之妻
- go about telling people how hard up one is哭穷
- yolk coal松软煤
