Carbogen
[医] 卡波金(含5%二氧化碳的氧)
🗣️ 情景例句
I think the kids'll love it.
我觉得孩子们会喜欢。
Have you ever been to Japan?
你去过日本吗？
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。