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Protons are nearly 2000 times as heavy as electrons.是什么意思？

Protons are nearly 2000 times as heavy as electrons.

质子的质量几乎是电子的2,000倍。

相关词汇
protons are nearly times as heavy electrons

protons

n. 质子( proton的名词复数 )；

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

nearly

adv. 几乎，差不多，险乎；

times

n. 时代，有时，总是，落后于时代，时间( time的名词复数 )，时机，时代，所需时间；prep. 乘，乘以；

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

heavy

adj. 重的，沉重的，大量的，浓密的，激烈的，重型的；n. 重物，庄重的角色；adv. 密集地，大量地，笨重地；

electrons

n. 电子( electron的名词复数 )；
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