- A blade is a very sharp metal edge of a tool. A good cooking knife should have its blade sharpened regularly.
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- n. 叶片；刀片，刀锋；剑
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1. But the notches on the blade.
除了刀锋的那条凹槽。
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2. The propeller blade has been mounted.
推进器的叶片已经安装好了。
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3. But this does not necessarily mean it will ensure high available in every case, especially in blade environments.
但这不一定表示，它会确保每种情况下都高度可用，特别是在刀片环境中。
- blade (n.) Old English blæd "a leaf," also "a leaf-like part" (of a spade, oar, etc.), from Proto-Germanic *bladaz (source also of Old Frisian bled "leaf," German Blatt, Old Saxon, Danish, Dutch blad, Old Norse blað), from PIE *bhle-to-, suffixed form (past participle) of root *bhel- (3) "to thrive, bloom."
blade ★ / bleɪd ; NAmE bleɪd / noun 1 ★ the flat part of a knife, tool or machine, which has a sharp edge or edges for cutting 刀身；刀片；刀刃 ☞see also razor blade , switchblade 2 one of the flat parts that turn around in an engine or on a helicopter （机器上旋转的）叶片；桨叶 ◆ the blades of a propeller 螺旋桨叶 ◆ rotor blades on a helicopter 直升机的旋翼 3 the flat wide part of an oar (= one of the long poles that are used to rowa boat) that goes in the water （船桨的）桨叶，桨身 4 a single flat leaf of grass （草的）叶片 5 the flat metal part on the bottom of an ice skate （溜冰鞋的）冰刀 ☞see also shoulder blade blade blades blade / bleɪd ; NAmE bleɪd /
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