1. Lowering your blood pressure will increase your lifespan. 降低您的血压将会延长您的寿命。
2. He says lowering medical cost is the most important thing he can do to ensure a healthy domestic economy. 他说降低医疗成本是他能做的最重要的事情，这样才能确保一个健康的国内经济。
3. Their paper reveals that there is much more to eliciting a nod than simply lowering the pitch of the voice and pausing. 他们的论文揭示出引起点头的因素还有很多，并不简单只是音调的降低或者说话的停顿。
英英解释
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
