1. You must concentrate all your energies on the study of English. 你必须集中全力学习英语。
2. You should concentrate on your work. 你应该专心于你的工作。
3. Concentrate all firepower on the enemy fleet! 集中所有火力攻击敌军舰队！
英英解释
n.
1. the desired mineral that is left after impurities have been removed from mined ore
2. a concentrated form of a foodstuff; the bulk is reduced by removing water
3. a concentrated example v.
1. make (the solvent of a solution) dense or denser
2. direct one's attention on something
3. make central
4. make more concise
5. draw together or meet in one common center
6. compress or concentrate
7. be cooked until very little liquid is left
8. cook until very little liquid is left
