Methylenecyclopentadiene
富烯
??? 情景例句
They're real watches. They tell you the time, don't they?
當(dāng)然是"真的表"羅。會(huì)走也會(huì)報(bào)時(shí)，不是嗎？
He already has a phonograph,but he doesn't have a radio yet.
他已經(jīng)有一架留聲機(jī)，但是他還沒(méi)有收音機(jī)。
We enjoyed driving along the new expressway.
我們喜歡沿著新建的高速公路開(kāi)車。