Ӣ������

vi. ���У�Ũ����ȫ���ע���ۼ�
vt. ���У�Ũ��
n. Ũ������ѡ��Ũ��Һ

ͬ���

n. dressed ore
v. centralise��condense��contract��focus

�����

v.   decentralise��decentralize��deconcentrate

�ʻ����

concentrate��focus
���������ʾ��С����У��ۼ���֮�⡣

�����

1. You must concentrate all your energies on the study of English.
����뼯��ȫ��ѧϰӢ�
2. You should concentrate on your work.
��Ӧ��ר������Ĺ�����
3. Concentrate all firepower on the enemy fleet!
�������л��������о����ӣ�

ӢӢ����

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

��������

concentrate
����; Ũ��; ����,Ũ��; ר��;
bulk concentrate
���徫��; ��Ͼ���;
copper concentrate
ͭ����;
lead concentrate
Ǧ����ɰ; Ǧ����; ��Ǧ; ����Ǧ,Ǧ����=>Ǧ���k;
fine concentrate
ϸ������;