Polyhydroxyketone
[医] 多羟酮
🗣️ 情景例句
And we'll also need some ladders
而且我们还需要一些梯子
We continued to struggle up the steep slope of the mountain.
我们为了攀登山的陡坡，不断地倍尝辛劳。
He called out to the children and threw the ball back to the bank.
他大声叫着那些孩子，把球扔回到岸上。