刚刚出山的太阳的侧向照明构成了挺立在河畔的柏树后面的神秘阴影。
The side lighting provided by the newly risen sun created mysterious shadows behind the stand of riverside cypress.
其中一个后面藏着一个标准白炽灯泡——这项人尽皆知的托马斯·爱迪生在132年前就发明的，至今仍无什么大变化的照明技术。
Behind one hides a standard incandescent bulb, the familiar lighting technology that has gone largely unchanged since Thomas Edison invented it 132 years ago.
一般都备有铰链着的玻璃盖面，以把稿件夹平。有些更可以换上透明片架，在后面打灯照明。
Frequently it has a hinged glass cover to hold copy flat, and may have a removable section in which a transparency holder can be positioned for back-lighting illumination.
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