Subtend
vt. 对
✅ 同义词
📖 牛津释义
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
Why don't you tell us about your day.
何不告诉我们你这一天过得如何？
Circumstances are therulers of the weak, instrument of the wise.
弱者困于环境，智者利用环境。
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天，妻子让我请人检查一下我家的割草机。