A will needs the signature of the testator and two witnesses.一份遗嘱需要立遗嘱人和两个证人签字.A will needs the signature of the testator and two witness.一份遗嘱需要立遗嘱人和两个证人的签字.A will is revoked by the subsequent marriage of the testator.遗嘱...
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...
I won't have him risking his neck on that motorcycle.我不会让他冒险骑那辆摩托车。I thanked him for risking his neck for me.我感谢他为我冒生命危险.We do not want people of his age mucking around risking people's lives.我们不想看到像他这个年龄的人四处闲荡...