noun🔗Share切线 A straight line touching a curve at a single point without crossing it there."The tangent to the graph of the student's test scores showed a sharp increase after the tutoring sessions. "辅导课后，学生考试成绩图的切线显示出了显著的增长。mathChat with AIVocabulary GamePractice Reading
noun🔗Share正切 A function of an angle that gives the ratio of the sine to the cosine, in either the real or complex numbers. Symbols: tan, tg."The math problem asked for the tangent of 30 degrees. "这道数学题要求求30度的正切值。mathfunctionnumberChat with AIVocabulary GamePractice Reading
noun🔗Share题外话，离题。 A topic nearly unrelated to the main topic, but having a point in common with it."I believe we went off onto a tangent when we started talking about monkeys on unicycles at his retirement party."我觉得我们在他的退休派对上聊到猴子骑独轮车的时候，就开始跑题了，有点像题外话。communicationlanguagepointwritingChat with AIVocabulary GamePractice Reading
noun🔗Share琴槌，击弦器。 A small metal blade in a clavichord that strikes the strings to produce sound."The clavichord's delicate tangent struck the strings, producing a soft, tinkling sound. "古钢琴上精致的琴槌敲击琴弦，发出了柔和、叮叮当当的声音。musicmachinedevicesounditemChat with AIVocabulary GamePractice Reading
adjective🔗Share相切的，正切的 Touching a curve at a single point but not crossing it at that point."The carpenter used a tangent line to measure the curve of the wooden arch before cutting it. "木匠在切割木拱之前，用一條相切的直線來測量它的弧度。mathtechnicalsciencepointChat with AIVocabulary GamePractice Reading
adjective🔗Share离题的，不相关的. Of a topic, only loosely related to a main topic."The teacher's lecture on the history of the Roman Empire had a tangent about the importance of good sanitation in ancient cities. "老师关于罗马帝国历史的讲座，稍微跑题讲了一下古代城市卫生清洁的重要性。languagecommunicationChat with AIVocabulary GamePractice Reading
