foreign substance 是什么意思,foreign substance 的翻译,解释,句子,音标,读音 - 英汉在线翻译

foreign substance

foreign substance 的中文翻译

杂质, 外来物质

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parallel market
to a great extent
all over the mountains and plains
tyre anvil
MDTL
fuel soot
expedite shipment
public landing right