Decarburizer
脱碳剂
🗣️ 情景例句
Will you help me?
可以帮助我吗？
The train is comfortable.
坐火车很舒服。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。