used up造句
91 Yeah, so also 4. We started with 10 valence electrons, we used up 6 of those as bonding electrons, so we have 4 left, which will be lone pair electrons.
92 We have used up most of the cloth , and all we have left is a few bits and pieces.
93 And the issue that current almost all community puts in integral to be used up hard, of skyline bleachery roll out, also be one kind uses up integral, raise user vivid jerk and agglutinant kind.
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