Jacob's staff
短语na. 香客杖；(测量器的)支架；测高器；测距器 [网络] 十字测天仪；罗盘支杆；柴柯氏杆
词形变化
Jacob's staffs
复数
Jacob's staffs
释义与例句
n.
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1.
A single straight rod or staff, pointed and iron-shod at the bottom, for penetrating the ground, and having a socket joint at the top, used, instead of a tripod, for supporting a compass.
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2.
Verbascum thapsus, the common mullein.
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3.
The ocotillo (Fouquieria splendens), one of certain desert shrubs of southwestern United States and Mexico having slender naked spiny branches that after the rainy season put forth foliage and clusters of red flowers.