二手烟会导致至少二分之一的不吸烟者致癌。
Secondhand smoke causes at least half the cases of lung cancer in non-smokers.
根据统计数字,几乎二分之一的集装箱不能准时抵达目的地。
It's a statistical fact that almost one out of two containers doesn't reach its destination on time.
占世界儿童总数近二分之一的约七亿儿童呼吸的空气受到烟草烟雾污染。
Around 700 million children, or almost half of the world's total, breathe air polluted by tobacco smoke.
If I pick an angle of 60 degrees, these are some numbers like half and root 3 over 2.
要是我选择一个 60°的角,上面的系数就会是二分之一和二分之根号三
Then minus 1/2 of 2, because we only have one bond or 2 electrons in a bond.
然后减去二的二分之一,因为我们只有一个键,一个键就是两个电子。
Fifty, 55% of you or so are likely to end up with some kind of a B.
二分之一左右的人以80分结课。
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