Bitumogene
沥青成因
🗣️ 情景例句
I made it myself.
我自己做的。
My watch is two minutes fast.
我的表快了两分钟。
He saved money for years and in 1958 he bought a small workshop of his own.
他靠多年积蓄，于1958年买下了自己的一个小铺子。