adj.下方的,在底部的,较低级的
v.降低,减少,缩小
I felt a sharp pain in my lower back.
我感觉到后腰一阵剧痛。
Companies are moving jobs to towns with a lower cost of living.
各公司正在把工作岗位转移至生活费用较低的城镇。
Basal metabolism is much lower for creatures in cold water.
冷水中生物的基础代谢速度要低很多。