subtend
v[Tn]
(geometry 几) (of a chord2(1) or the side of a triangle) be opposite to (an arc(1) or angle) (指弦或三角形之边)对向(某弧或角)
The chord AC subtends the arc ABC. The side XZ subtends the angle XYZ. AC 弦对向 ABC 弧. XZ 边对向 XYZ 角. =>illus 见插图.
🗣️ 情景例句
I can never get ahead at my job.
我总是不能出人头地。
The plane has crashed.
飞机失事了。
The study of custom can be profitable only after certain preliminary propositions have been accepted,