出于天性，小男孩们可能会决定利用这一点。Little boys, being what they are, might decide to play on it.人的感知具有高度缺陷，而且天性主观。Human perception is highly imperfect and by definition subjective.父母必须发挥其天性，设身处地从子女的角度感受。Parents must make use of their n...
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...
他们跟在他身后疾走。They trotted along behind him.我听到外面疾走的脚步声.I heard the scurry of feet outside.那明亮而疾走如飞的野火在田野里到处奔窜.Those light, swift fires, run about the country....