n.背痛；腰痛
I didn't know back ache was contagious.───我还真不知道背痛也能传染。
your back ache?───您的背面痛吗？
Whether my back ache was true or false, these holes might be a reason to see a doctor.───不管腰疼真不真，光那些窟窿也能成为看医生的理由。
It's just like the calcium in human bodies, which is needed or you'll get osteoporosis and back-ache and be unsteady in gait.───它就如人体的钙质。人体缺了钙，会骨质疏松，腰酸背痛，走路也会颤颤悠悠。
I think I hurt my back yesterday. I've got really bad back ache.───我想我可能昨天伤了我的背。我的背很痛。
You'll make your back ache if you carry those heavy buckets.───如果你背那些沉重的桶，你的背会痛的。
I've hurt my back. I've got back ache.───我拉伤了背，我有些背痛。
backache───n.背痛；腰痛
backaches───n.背痛；腰痛
neck ache───颈部疼痛
back anchor───后锚；串联锚
back alley───单打端线和双打端线之间的细长地带
back bacon───外脊培根
back score───回分
backfische───适得其反
backpacked───n.双肩背包，背包；远足用的背包；vt.挑运；把…放入背包；vi.背负简便行李旅行；挑运