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The crystals were cleaned by argon ion bombardment.是什么意思？

The crystals were cleaned by argon ion bombardment.

结晶体由氩离子轰击而净化.

相关词汇
the crystals were cleaned by argon ion bombardment

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

crystals

n. 水晶( crystal的名词复数 )，结晶（体）；

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

cleaned

v. （使）清洁( clean的过去式和过去分词 )，变干净，除去…的灰尘，使…干净；

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

argon

n. 氩；

ion

n. <物>离子；

bombardment

n. 炮击，轰炸；
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