Hexyloxy
己氧基
🗣️ 情景例句
The same baseball glove?
同样一个棒球手套吗？
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。