在这些化合物里, 环戊二烯环只有4个氢.In there compounds, the cyclopentadiene ring has only four hydrogens.聚二烯基本分子结构是一良好的燃烧剂.The polydiene basic molecular structure is an excellent fuel.所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadi...
你可能会被水母狠狠地蜇一下.You can get a nasty sting from a jellyfish.让水母刺着是很痛的.The sting of a jellyfish is very painful.但是这水母的毒素发作得更快,痛得像挨鞭子抽一般.But these poisonings from the agua mala came quickly and struck like a whiplash....
an evil augury恶兆The emperor blindly worshipped divination by augury and mystical intepretation of Confucianist texts.这位皇帝非常迷信谶纬之言.Augury . Learn if an intended action will be good or bad.卜筮:得知动作结果是好是坏.The maritime passag...
Futures prices recovered from sharp early declines to end with moderate losses.期货价格在早盘深幅下跌后出现反弹，收盘时未见严重损失。Hearing sensitivity declines with age.听觉因年老而衰退.Removing too much biomass would eventually cause declines in forest...