1. Lowering your blood pressure will increase your lifespan. ��������Ѫѹ�����ӳ�����������
2. He says lowering medical cost is the most important thing he can do to ensure a healthy domestic economy. ��˵����ҽ�Ƴɱ���������������Ҫ�����飬��������ȷ��һ�������Ĺ��ھ��á�
3. Their paper reveals that there is much more to eliciting a nod than simply lowering the pitch of the voice and pausing. ���ǵ����Ľ�ʾ�������ͷ�����ػ��кܶ࣬������ֻ�������Ľ��ͻ���˵����ͣ�١�
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n.
1. the act of causing to become less
2. the act of causing something to move to a lower level adj.
1. darkened by clouds