Naphthology
石油科学
🗣️ 情景例句
Her name's Gemma,
它叫做Gemma，
It's hard to say.
很难说。
Time for our lunch, said Bruce. Then he looked around. Oh dear! I don't understand!
“午饭时间到了，”布鲁斯说。然后他看看四周。“天啊！我弄不明白了！”