Smell is keener in dogs than in humans.狗的嗅觉比人的嗅觉灵敏.He seemed conscious of possessing a keener power of enjoyment than other people.他似乎意识到自己具有比别人更敏锐的鉴赏能力.A sharp tongue is the only edged tool that grows keener with consta...
The compound of acryloyl chloride was synthesized by benzoyl chlorid and crylic acid.利用苯甲酰氯与丙烯酸反应制备丙烯酰氯.N - acryloyl morpholine was synthesized from acryloyl chloride and morpholine and the purity of product was 99.5 %.以...
to overstep your authority越权Parents fear they might overstep these invisible boundaries.父母担心他们可能会逾越这些无形的界限。In male company, perhaps he did overstep the bounds of propriety.在清一色男性的公司里，可能他的举止确实有失得体。Parents fear they might ...