One tooth works while the other one idles and gets no stimulation in its root area.一颗牙齿在工作,另一颗则闲着,它的牙根部得不到刺激.In addition , immune stimulation can induce lipolysis of fat depot around lymph node.免疫刺激还会作用于淋巴结周围的脂肪组织,引起这些脂肪...
小母牛在牛栏里吼叫。A heifer bellowed in her stall.怀小牛的小母牛最适合这项工作.In - calf heifers are admirable for this work.他用12头山羊换了我的1头小母牛.He swapped me a dozen goats for one of my female calf....
在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.乙二醛 、 乙...