back side

基本解释

Blot the back side with a clean terry cloth washcloth to further remove as much ink as possible.
用一块清洁的绒质抹布吸一吸背面，进一步去除尽可能多的污迹。
An observatory on the back side of the Moon would be a giant leap for astronomy, but there is a for more important reason to return.
即使仅仅在月球的背面设置一个天文台，也将为天文学带来革命性的突破，何况月球的价值远远不止这些。
It can hold your mobile vertically or horizontally and the angle can be easily changed by attaching the tail on a different spot on the back side.
它可以让你的电子设备或横躺或直立，只需改变在设备背面贴上尾巴的位置，设备放置的角度便可以任意调整。

Dollars are called greenbacks because that is the color of the back side of the paper money.
So when I get back, I associate the flag with a very negative, that was the yonder side of American democracy.
之后，我就总会把国旗和负面的东西联系在一起，那也是美国民主的另一面。
普林斯顿公开课 - 人性课程节选
was go to the bridge and walk across the other side and then walk back.
就是到桥上走走，从桥这边走过去再走回来。
鲜为人知的名胜 - SpeakingMax英语口语达人

The back side of the coffee maker is clear, allowing you to see the inner workings.
FORBES: Hands-On: Bodum's 'Pour-Over' Coffee Maker