某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.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.有时它们就难于和芳香族或烯烃的吸收峰相互区别.They ar...
He often appeared angry and frustrated by the intransigence of both sides.他似乎常常为双方各不相让而生气沮丧。Yet for North Korea, intransigence is the norm.不过对朝鲜来说, 决不妥协是其一贯作风....
He bought a hot dog and had it covered with all the fixings.他买了一个热狗，在上面撒满了各色配菜。Have you got all the screws and fixings you need?你有没有弄到需要的各种螺钉和配件？We had turkey and all the fixings for Thanksgiving dinner.感恩节晚餐我们吃了火鸡和所有配料....
The emulsion acrylic glueing agent SL 407 was prepared with polymerization process of pre - emulsifying and whole dropping.采用预乳化全部滴加的聚合工艺,制备乳液型丙烯酸酯类水性台板胶.Beeswax acts as an emulsifying agent.蜂蜡起到乳化剂的作用。No colloid, surfac...