When two or more elements combine and form a compound, a chemical change takes place.当两种或两种以上的元素结合形成化合物时, 发生化学变化。Dinucleotide A compound of two nucleotides linked by their phosphate groups.二核苷酸:由磷酸基团连接的两个核苷酸组成的化合物.Magnes...
Police fired on them as they fled into the embassy compound.当他们逃进使馆大院时，警察向他们开了枪。The less stable compounds were converted into a compound called Delta-A THC.不太稳定的化合物被转换成了一种叫做Delta-ATHC的化合物。This sticky compound adheres wel...
在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.我们实际上遇到介乎此两个极端的中间物.We would actually encounter a mean between these extremes.这样可以得到最高产率的反应中间物,即目的产物.This ...
在赫伯特·怀斯曼的风琴伴奏下，我们演唱了布莱克的《耶路撒冷》作为终曲。We ended with Blake's Jerusalem, accompanied on the organ by Herbert Wiseman.原声吉他、贝斯和康茄鼓为她伴奏。She was backed by acoustic guitar, bass and congas.他一边唱，艾丽斯一边为他钢琴伴奏。He sang and Alice a...
Nicholas was a man who would always befriend me.尼古拉斯是个总是待我如友的人.If you don't care about me, why did you befriend me?如果你不在乎我, 为什么和我做朋友?Joanna had made one or two half-hearted attempts to befriend Graham's young w...