a back strain的意思|示意

You should also avoid going above a 7% incline, because it places too much strain on your back, hips and ankles.

你还应该避免超过7%坡度，因为这会让你的背部、臀部和脚踝承受太大的压力。

People tend to "slouch" or "hunch" over in their seats which puts a lot of strain on their back.

人们倾向于在座位上“懒坐”或“弓坐”，这样给后背造成了很大压力。

Studies have shown that just one hour sitting in a slouched position can strain ligaments in the back.

研究表明，保持懒散的坐姿一小时就会导致背部韧带受损。

The 2004 Athens Olympic champion and former world record holder reportedly suffered a minor back strain while training in Shanghai last week but seems unencumbered as he with two days to go.

据报道，这位2004年雅典奥运会冠军、前世界纪录保持者上周在上海训练时背部轻微拉伤，但是，从他两天前准备运动的情况来看，背伤似乎并无大碍。

Then back in Spain, they trained a strain of Pseudomonas bacteria to preferentially nibble salt blooms.

回到西班牙后，他们便培养了一种可以优先吞食盐层的假单胞菌。

If you're working at a desk, try invest in a decent chair that will support your back properly and takes steps to avoid repetitive strain injury.

如果你在桌子上工作，可以买一把带靠背的比较舒适的椅子，这样可以支撑你的背部，避免反复性过劳损伤。