The benzene vaporized and formed a huge cloud of gas.苯蒸发了,形成了一大团气体。The benzene ring is also seen in other compounds.苯环在其他化合物中也可以看见.Resonance theory says that benzene can be represented by two contributors.共振论认为苯能用两个参与体表示...
Don't count in the broken ones.破的别算入在内.Don't count in me.不要把我算在内.See how many cups and saucers we have - but don't count in the cracked ones.看我们有多少个杯碟― ― 可是不要把破裂的算在内....