Collinite
凝胶煤素质; 无结构腐殖体
🗣️ 情景例句
I'm of the same opinion.
我也是这个意见。
I ought to write a letter.
我应该写一封信。
sailing vessels like the Cutty Sark were used to carry tea from China and wool from Australia.
“卡蒂萨克”号之类的帆船被用来从中国运回茶叶，从澳大利亚运回羊毛。