Oxyacetylene
a. 氧乙炔的
🗣️ 情景例句
She couldn't get over her shyness.
她无法克服羞怯。
It's a piece of cake.
这很容易。
One of the most famous sailing ships of the nineteenth century, the Cutty Sark, can still be seen at Greewich.
人们在格林威治仍可看到19世纪最有名的帆船之一“卡蒂萨克”号。