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单词
let fall
释义
let fall
Geometry
Draw (a perpendicular) from an outside point to a line.
On the tangent PR produced let fall the perpendicular SY.
...
Let ABC be any triangle, and the angle at B one of its acute angles, and upon BC, one of the sides containing it, let fall the perpendicular.
Their effects must be estimated by the length of perpendiculars let fall upon the lines of direction in a similar manner.
See parent entry: let
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onomatopoetically
onomatopoiesis
onomatopoietic
onomatopoësis
onomatous
Onondaga
on one's back
on one's beam ends
on one's conscience
on one's feet
on one's haunches
on one's high horse
on one's hind legs
on one's honour
on one's jack (or Jack Jones)
on one's knees
on one's last legs
on one's (or the) doorstep
on one's own
on one's own account
on one's own ground
on one's own hook
on one's own initiative
on one's own responsibility
on one's plate
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更新时间：2025/8/5 0:37:47