Combustion catalyst
[建] 燃烧催化剂
🧩 词语组成解析
🗣️ 情景例句
What's the deadline for claim?
索赔的有效期多长？
No, it isn't. It's a bus.
不，那是一辆公共汽车。
By this time, a Lancaster bomber in reasonable condition was rare and worth rescuing.
到了那个时候，状况良好的兰开斯特轰炸机实属罕见，值得抢救。