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...
There were signs that she struggled with her attacker.现场有她和攻击者扭打过的痕迹。The attacker still stood there, watching her with silent contempt.袭击者还站在那里，用一种鄙夷的眼神一言不发地看着她。The attacker may have been waiting around for an opportunit...