Parosonsite
斜磷铅铀矿
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
To lose a freind is the greatest of all loses.
失掉朋友是一切损失中最大的损失。
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。