Be sure to do some eye exercises to relax your eyes after you study for a long period of time.

在长时间学习后，一定要做眼保健操来放松眼睛。

youdao

His smart lenses are designed to release drugs slowly into the eye over a long period.

他的这种智能眼镜可以使药物在长时间内缓慢地释放到眼睛里。

youdao

The problem starts when constant close work causes this process to go too far and the eye becomes too long, or nearsighted.

当近距离工作持续时，这个过程就会加重，视力就会变得太长，或者就是近视。

youdao

"And so we're going to be dealing with these short-term problems, but we also have to keep our eye on the horizon and recognize that it's that long-term issue that has to be focused on."

VOA: standard.2010.06.10

Prodded by Syria, which has wanted to make Israel's stay in the Golan as uncomfortable as possible, Lebanon has long turned a blind eye to Hizbullah's antics in the south.

ECONOMIST: Hizbullah and Israel

First, President Obama and the GOP Congressional Leadership have a long track record of not seeing eye to eye on anything, but Senator Max Baucus (D-MT) and Congressman Dave Camp (R-MI), the chairmen of the Senate and House tax-writing committees, are resolute in making reform happen this year.

FORBES: Will We See A Fully Monty On Tax Reform?

Unfortunately, there may be less than meets the eye to both of these long-term care provisions.

FORBES: Fiscal Cliff Deal Repeals CLASS Act, Creates Long-Term Care Commission