chalking
['tʃɔ:kɪŋ]
n.
油画表面出粉的现象，灰化（上石灰），粉化（镀层和基体之间形成一种疏松粉末的镀层表面缺陷）;
垩化;
例句:
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" What, those little Reds who're always chalking up slogans everywhere?
“ 喔, 就是那些专门写标语的小赤老 么 ?
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We have been chalking up more victories on all fronts.
我们在各条战线上正在取得更多的胜利.
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Reprinted inking oil can also be overcome chalking it affects metal sheen.
加印调不朱油也可以降服粉冻,但这样会感化金属的光华.
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Here was I, with guttersnipe rashness, chalking some rudeness upon Sir Barry Jackson's fine escutcheon.
来自L. Olivier
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Fear not followers, the time spent chalking off the days was well worth it.
来自BBC
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Instead of chalking this unexpected result off, they wanted to know why some women went against their hypothesis.
来自SA