With the focusing lens and the medium pool replacing the back mirror, auto cavity-forming and laser output are realized.

用聚焦透镜和介质池取代激光器的后镜，可自动成腔输出激光。

youdao

Turning back to the mirror, Jenny saw a flash of light from the watch in the glass.

回头照镜子， 珍妮发现手表发出了一束光。

youdao

Breaking a mirror is seven years of bad luck! Back in ancient times, a mirror was said to be a window to your soul, so breaking one was very bad!

另外，打碎镜子代表七年的坏运气，因为古代人觉得镜子是通向心灵的窗口。

youdao

"It's not easy to turn the mirror back on yourself and be absolutely honest, " she says.

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She sat with her back to the mirror as I brewed her a pot of herb tea.

NEWYORKER: Miracle Polish

They are telling us that society is so conscious of body shape that even young children are able to mirror back what we say about obesity.

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