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
Good-bye.
再见。
I'm young.
我很年轻。
Apart from a few words, I do not know any French at all.