Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不对称1, 3偶极加成反应并取得很好的效果.Most people's faces are asymmetric.大多数人的脸不对称。There are two DesB 1 - DPI moleCUles in an as...
Most people's faces are asymmetric.大多数人的脸不对称。We have made no reference to asymmetric carbon atoms.我们未曾涉及不对称碳原子.Asymmetric 1, 3 - dipolar cycloaddition can be strongly catalyzed by chiral oxazaborolidines.手性唑硼烷酮能够催化不...
His sons quarrelled bitterly over the allocation of family resources.他的儿子们为家产如何分配而吵得很凶。At one point we quarrelled, over something silly.我们一度为一件愚蠢的小事吵了起来。The two men quarrelled and there was a scuffle.那两个人争吵扭打起来....
Jiro waddled closer, his belly bulging and distended.伊罗步履蹒跚地走近，肚子鼓胀凸出。starving children with huge distended bellies鼓着浮肿肚子的挨饿儿童The balloon was distended.气球已膨胀....
他们在兰伯恩总共驯了五十多匹马。Between them, they train over fifty horses in Lambourn.奥尔古德当了五十多年的法官。Allgood served on the bench for more than 50 years.把一枚五十便士硬币投进机器。Put a fifty pence in the machine....