Check for eyestrain by putting your hand to your forehead a salute.是什么意思？

Check for eyestrain by putting your hand to your forehead a salute.

方法是将手放在前额呈敬礼状.

check

vt. 检查，核对，制止，抑制，在…上打勾；vi. 核实，查核，中止，打勾，[象棋]将一军；n. <美>支票，制止，抑制，检验，核对；

例句
You can pay bills over the Internet. Additionally, you can check your balance or order statements...
可以在网上支付账单。此外，还能查对余额或订货结算单。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

eyestrain

n. 眼睛疲劳，眼过劳；

例句
Check for eyestrain by putting your hand to your forehead a salute.
方法是将手放在前额呈敬礼状.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

putting

v. 放置（put的现在分词），轻击球（putt的现在分词）；

例句
He is putting the accent on military readiness...
他强调要保持备战状态。

your

pron. 你的，你们的，尊，玉，乃；

例句
I think there's something a little peculiar about the results of your test.
我认为你的化验结果有点不对劲。

hand

n. 手，协助，帮助，（工具等的）把，柄，掌管；vt. 传递，交给，搀扶，支持；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

forehead

n. 额，前部；

例句
She tapped her forehead and looked annoyed with herself...
她拍打着脑门，看上去在生自己的气。

salute

vt.& vi. 欢迎，致敬；vt. 向…致意，赞扬，赞颂；vi. 致意，打招呼，行

例句
I salute him for the leadership role that he is taking...
我对他发挥的领导作用表示赞扬。