| 31. | 20 percent uranium concentrate |
| 含量20%的浓缩铀
|
| 32. | concentrate troops at a strategic point |
| 在战略据点集结军队
|
| 33. | concentrate one's attention [efforts, thoughts] ( up ) on sth |
| 把注意力[精力、思想]集中在某事上
|
| 34. | concentrate gunfire against the enemy's position |
| 集中炮火轰击敌人的阵地
|
| 35. | concentrate a solution by evaporation |
| 通过蒸发浓缩溶液
|
| 36. | concentrate the broth by boiling it |
| 把肉汤熬浓
|
| 37. | concentrate sugar solution into syrup |
| 将糖果浓缩为糖浆
|
| 38. | concentrate on one's new task |
| 全神贯注在新工作上
|
| 39. | concentrate one's energies on some subject |
| 把精力集中在某个问题上
|
| 40. | concentrate one's efforts on finding ways to reduce costs |
| 竭尽全力找出降低成本的办法
|