pb
abbr.
push button 按钮;
passed ball 接手漏接球（棒球）;
passed balls (baseball) 接手漏接球（棒球）;
power brake 动力制动;
例句:
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The spectral proper - ties of the reactions of T ( 4 - MOP ) PS _ 4 , withCu ~ ( 2 + ), Pb ~ ( 2 + ), Zn ~ ( 2 + ), Cd ~ ( 2 + ), Co ~ ( 2 + ) and Mn ~ ( 2 + ) have beeninvestigated.
探讨了试剂的特性及其与Cu~ ( 2+ ) 、 Pb~ ( 2+ ) 、 Zn~ ( 2+ ) 、 Cd~ ( 2+ ) 、 Co~ ( 2+ ) 和Mn~ ( 2+ ) 反应的最适条件.测得了这些配合物的配位比 、 摩尔吸光系数.
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They recognized that in a thorium province Pb 208 would present complications.
他们承认,含钍区内的Pb208会产生干扰.
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PB has authenticated and is up to date. checking your account.
经检查你的帐户. PB已经验证并且是最新的.
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Or I grab a yogurt, make a PB whatever it takes.
来自WSJ
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It's a PB in front of this crowd, she said.
来自THETIMES
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I knew it was a fast track from the hurdles but I'm made up to have run a PB.
来自BBC