He lost his balance, and pitched out of the window headfirst.他失去平衡, 头朝下从窗子上跌了下去.My mate dived headfirst through a window and I ran down the hallway.我的同伴从窗口一头扎了下去，而我则沿着走廊跑。Dive: To plunge, especially headfirst into water....
Something called a'hardener alloy'is made.制出一种叫做 “ 中间合金 ” 的东西.A hardener is added to the acrylic enamel just before use.在用之前添加硬化剂到丙烯酸瓷釉中.This paper introduced detailed two kinds of hardener of epoxy resin.本文比较详...
兄弟之间不睦是不近人情的.It is unnatural for brothers to be at variance.他家婆媳关系不睦.His mother does not get along well with his wife.玛丽和珍不讲话.--感情不睦.Mary and Jane are not talking to one another....