smirch
英 [sm??t?]
美[sm?t?]
- vt. 弄臟
- n. 污點(diǎn)
實(shí)用場(chǎng)景例句
- The compound material of resin matrix may produce serious smirch phenomenon during the minute hole drilling.
- 以樹脂為基體的復(fù)合材料在微孔加工中會(huì)產(chǎn)生嚴(yán)重污斑現(xiàn)象.
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