Nitridizing agent
[化] 氮化剂
🧩 词语组成解析
🗣️ 情景例句
What's bugging you?
你正烦什么？
Is it long way from here to the United Air Lines counter?
从这里到美国航空公司柜台有一段很远的路。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。