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Use bifocal or varifocal lenses may relieve asthenopia.是什么意思？

Use bifocal or varifocal lenses may relieve asthenopia.

如改用双焦点或渐进多焦点镜片可能有助于减轻视疲劳.

相关词汇
use bifocal or lenses May relieve asthenopia

use

n. 使用，使用权，功能；
例句
Abstain from sex or use condoms...
禁绝性事或使用安全套。

bifocal

adj. （指眼镜片）双焦的，双光的，有二重观点的；n. 双重焦点透镜，双光眼镜；
例句
Use bifocal or varifocal lenses may relieve asthenopia.
如改用双焦点或渐进多焦点镜片可能有助于减轻视疲劳.

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

lenses

n. 透镜，镜头( lens的名词复数 )，眼睛中的水晶体；
例句
Why aren't all lenses supplied with a lens hood?
为什么不给所有的镜头都配上遮光罩呢？

May

aux. 可以，也许，会，但愿；n. [May]五月，山楂属植物，（五朔节装饰用的）绿枝花枝，（春天开花的）绣线菊属植物；
例句
The way that American history is taught may change in order to accommodate some more of those cultures.
美国历史的授课方式可能会为了照顾到更多的文化而作改变。

relieve

vt. 解除，缓解，换班，（去厕所的一种委婉说法）方便；
例句
They often find they begin to chat to relieve the boredom of the flight.
他们发现自己常常是为了打发飞行途中的无聊才开始聊天。

asthenopia

n. 视疲劳，眼疲劳；
例句
Results Questionnaire indicated most patients complained about dry eye , foreinbody sensation , asthenopia and red eye.
结果调查问卷中,干眼患者最多的主诉是干涩、异物感 、 视疲劳、眼红.
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He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
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He loved watching the birds we attracted to our yard with numerous feeders and birdbaths.
它喜欢观看我们用无数喂食器和鸟澡盆吸引到院子里的鸟.
Thirty - four years ago, her son wore the necklace for good health and safety during his babyhood.
三十四年前, 她为了幼年儿子健康平安给他戴上了这条项链.
Alice, very pale, was leaning against him as if for support.
脸色苍白的艾丽斯靠在他身上，像在寻求支撑。
'What's up?', I said to him. — 'Nothing much,' he answered...
“出什么事啦？”我对他说。——“没什么事，”他答道。
...Cmdr Richard Mason.
理查德·梅森指挥官
...a decree bringing into effect the political reforms adopted last month.
上个月正式通过的实施政治改革的法令
The fresh morning air braces him.
清晨, 新鲜的空气使他精神振作。
...a slang term.
一个俚语
The IMF nurtured the illusion that it could keep exchange rates pegged most of the time.
国际货币基金组织一直抱有幻想,认为它可以在大部分时期稳住外汇汇率.
This coheres with Peel's cham-pioning of alternative music.
这与皮尔倡导另类音乐的做法一致。