half(of)：一半
例句
1.Half of them want jobs now.They need to work.
其中有一半想立刻工作.他们需要工作.
2.Mrs.Smith has nine children,half of them are girls.
史密斯太太有九个孩子,其中一半是女孩.
half(of)：一半
例句
1.Half of them want jobs now.They need to work.
其中有一半想立刻工作.他们需要工作.
2.Mrs.Smith has nine children,half of them are girls.
史密斯太太有九个孩子,其中一半是女孩.