|
41. | phosphorus deficiency |
| 磷缺乏 |
|
|
| |
42. | boron deficiency |
| 硼缺乏 |
|
|
| |
43. | material shortage |
| 材料缺乏 |
|
|
| |
44. | ease the shortage |
| 解决缺乏 |
|
|
| |
45. | chlorine deficiency |
| 氯缺乏 |
|
|
| |
46. | fluorine deficiency |
| 氟缺乏 |
|
|
| |
47. | copper deficiency |
| 铜缺乏 |
|
|
| |
48. | vitamin deficiency |
| 维生素缺乏 |
|
|
| |
49. | iron deficiency |
| 铁缺乏 |
|
|
| |
50. | stand in need of |
| 迫切需要,缺乏 |
|
|
| |