Thomasite
磷硅铁钙石
🗣️ 情景例句
You're right.
你说的对。
He has a pound of beef.
他有一磅牛肉。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。