up·side /ˈʌpˌsaɪd/
上側,上段,上部
Up·side n.
1. The upper side; the part that is uppermost.
To be upsides with, to be even with. [Prov. Eng. & Scot.] --Sir W. Scott. --T. Hughes.
Upside down.
These that have turned the world upside down are come hither also. --Acts xvii. 6.
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upside
n : the highest or uppermost side of anything; "put your books
on top of the desk"; "only the top side of the box was
painted" [syn: top, top side, upper side]