词汇	讲讨
释义	讲讨 jiǎng tǎo講習研究。
随便看	oil and natural gas resources Oil and petrochemical industry oil and residue excluded oil oil and seawater resistance oil and smoke cleaner OIL AND SMOKE EXHAUSTER SERIES oil and soap insecticide oil and source correlation oil and source rock correlation oil and tallow Oil and truth get uppermost at last oil and vinegar Oil and vinegar oil-and-vinegar oil and vinegar bottle oil and water oil-and-water Oil and water always separate out Oil and water are not miscible oil and water contact oil and water content oil and water distribution oil and water distribution map oil and water layer oil and water layer recognition