Orthogonal
a. 直角的, 正交的\\nn. 正交直线, 矩形面
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
I phoned him last Saturday.
我上个星期六打电话给他。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。
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