Petrochemistry
n. 石油化学, 岩石化学\\n[化] 石油化学
🗣️ 情景例句
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They that marry in green, their sorrow is soon seen.
过早地结婚，不久必悔恨。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，