verb🔗Share正对，对向，对 To use an angle to delimit (mark off, enclose) part of a straight or curved line, for example an arc or the opposite side of a triangle."The angle formed by looking at the top and bottom of the flagpole from where I stood subtended the entire height of the flagpole. "从我站立的地方看旗杆的顶部和底部所形成的夹角，正好对着旗杆的整个高度。mathChat with AIVocabulary GamePractice Reading
verb🔗Share正对，对向，对应。 (also mathematics) To extend or stretch opposite something; to be part of a straight or curved line that is opposite to and delimits an angle."A hypotenuse subtends the right angle of a right triangle."直角三角形的斜边正对着直角.mathtechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share对向，正对。 To form the central angle of a circle underneath an arc"The points A and B on the circumference form the arc AB, which subtends the central angle θ."圆周上的A点和B点构成了弧AB，弧AB正对圆心角θ。mathChat with AIVocabulary GamePractice Reading
