back sight leaf 表尺板
sight leaf [军] 表尺板
leaf type sight 立框式表尺
Rear sight leaf 卡片表尺板
sight-leaf 表尺板
folding leaf tangent sight 折叠式弧形表尺
leaf type rear sight 立框式表尺
N a folding rear sight on certain rifles (步枪)瞄准标尺
A leaf landed quietly in sight.
一片叶子，轻轻地落进了视线。
The forest was already in full leaf. It was dusty, and so hot that at the sight of water one longed to bathe.
林中的树木长满了叶子，路上的灰尘四扬，热气逼人，经过有水的地方，禁不住想沐浴一番。
Every time I behold such a sight, I am always envious of this vagrant leaf-so simple, so dedicated to its course without turning back, so staunch!
每次看到这样的情景，我都会很羡慕这片落叶，那么单纯，那么义无反顾，那么坚定！
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