Polybutylenes
聚丁烯
??? 情景例句
Not as happy as I am.
我比你更高興。
Those goods are available in strong wooden drums of 1,2,5,10 and 20 litres.
這些貨物分別裝入1、2、5、10、20升的木桶里。
That's fair.
那樣公平。