Ӣ������

adv. һ�Σ�����
conj. һ��
n. һ�Σ�һ��

ͬ���

r. erst��erstwhile��in one case��one time

�����

1. Once you're finished, go home.
����������ͻؼҰɡ�
2. I visit my sister once a week.
��һ����ȥ�ݷ�����һ�Ρ�
3. Rub in this cream once a day .
ÿ��һ�ΰ�������������롣

ӢӢ����

adv.
  1. on one occasion
  2. as soon as
  3. at a previous time

��������

Once
��ȥ; ����; һ�Σ�����; һ��;
once again
��һ��; �ٴ�; �ٴΡ���һ��; �ٶ�;
at once
ͬʱ��һ��; ����; ͬʱ; ����;
at once
���ϣ�����;
for once
ֻ��һ��; ���⣨�ǣ�һ��; ����һ��; һ��;