Each brick also varies slightly in tone, texture and size.每块砖在色调、质地与大小上也都略有不同。On South Main Street, a huge brick building looms into view.在南大街上，一座巨大的砖砌建筑赫然出现在人们的视线中。He flattened himself against a brick wall as I passed.他...
The central notion in commutative algebra is that of a prime ideal.交换代数中最核心的概念就是素理想.It'should be clear that vector addition is commutative.可清楚地看0剑0矢量加法满足对易律.The groups of the solvable equations are commutative.可解方程的...
General Zarof , with a deep courtly bow, strolled from the room.扎洛夫将军礼貌地深鞠一躬, 漫步走出了房间.The waiter made a courtly bow.侍者恭恭敬敬地鞠了一躬。...a courtly European who still clicked his heels when he met a lady.遇见女士仍咔嚓一声行礼的彬彬有礼的欧洲人We ...