Luckily, everything goes well, Chang'e 4 has worked on the "dark" side for over 5 months.

幸运的是，一切都很顺利，嫦娥四号已经在暗面工作了5个多月。

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When crayfish are kept continuously in the dark, even for four to five months, their compound eyes continue to adjust on a daily schedule for daytime and nighttime vision.

当小龙虾持续被关在黑暗的环境中，即使是4到5个月，它们的复眼仍然可以继续按照日常生活时间，对昼夜视觉进行调节。

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The theatre is set to go dark in January for at least nine months, and will maintain only a slimline youth and participatory workshop programme.

剧院定于一月关闭，至少要持续九个月，而且这期间只会对其保持一些基本的维护和进行参与性讲习班计划。

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It begins slowly, during the dark months of winter.

VOA: special.2009.08.12

The woman of action was ordered to remain quiet for months in a dark room, or become blind.

VOA: special.2009.07.26

Check back next Wednesday for our experts' tips on those long, dark months of job-seekery.

CNN: Web tips for the newly unemployed

But while the winter months are dark, treacherous and shrouded in a white uniform of snow, summer brings with it the chance to see this part of the world in all its green grassy goodness.

CNN: Summer in Lapland, land of the midnight sun

Buckingham's sanguine outlook notwithstanding, most advisers see the home builders' sharp drops in the past three months as dark omens from the market that cast significant doubt on the ability of the real estate boom to continue.

FORBES: Lone Wolf Home Builder Bull