The imidazoline was synthesized from black acid liquid.以酸性黑油为原料合成咪唑啉.Then the imidazoline boric acid ester was synthesized when the intermediate reacts boric acid.采用两步法合成月桂酸味唑啉硼酸酯....
Anyone can do it; it's as easy as winking.这谁都办得到, 简直易如反掌.The stars were winking in the clear sky.星星在明亮的天空中闪烁.There was no winking in the matter.这事不容忽视....
A lack of certainty that often leads to irresolution.疑惑缺少肯定而导致犹豫不决.Shall we gather strength by irresolution and inaction?我们迟疑不决、无所作为就能积聚力量 吗 ?His countenance betrayed irresolution and reluctance.他的脸部表情露出犹豫和勉强....