Dienite
丁烯均聚物
??? 情景例句
My paper work will wait.
文書工作可以緩一緩。
I'm crazy about shooting.
我熱衷于射擊運(yùn)動(dòng)。
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他說他的中文有點(diǎn)兒差。