one-half

英 [wʌn hɑːf]

美 [wʌn hæf]

网络  二分之一; 一半

英英释义

noun

• one of two equal parts of a divisible whole
  1. half a loaf
  2. half an hour
  3. a century and one half
  Synonym:half

双语例句

• A small hole is defined as not to exceed the area of one-half a pellet.
  一个小孔指的是不超过半个大格的区域。
• When injected or inhaled, as little as one-half milligram of ricin is lethal to humans.
  当注射或吸入少量，仅半毫克的蓖麻毒素就会致死。
• But observers say that with results in from nearly one-half of the constituencies, the lead could change.
  但是观察家表示，等到另外一半的选区投票结果出炉，萨塔的领先地位可能会有所改变。
• Well, that equals one-half of m1 times u1 squared plus one-half m2 times u2 squared.
  它等于，1/2乘m1乘u1平方，加1/2乘m2乘u2的平方。
• If m2 becomes infinitely high, m1 m2 you get one-half m1 v1 squared.
  当m2变为无限大时，就可以被忽略。，then，m1，can，be，ignored。，与m2相互抵消，，m2，cancels，m2，得到1/2乘m1乘v1平方。
• And then, on each of these pieces, one-half just goes away because x, y is constant.
  在每一段上，有一半就消掉了，因为x，y为常数。
• It takes four and one-half months to walk to every house in this part of the city.
  它需要四个半月步行到每一个家中这部分的城市。
• This section is very numerous, making up about one-half of the petty bourgeoisie.
  这一部分人数甚多，大概占小资产阶级的一半。
• But it only lasted about one and one-half years.
  然而它只维持了大约一年到一年半的光景。
• Babies that weigh less than two and one-half kilograms at birth have a greater risk of dying.
  体重不足二点五千克的新生儿死亡的危险性很高。