Lubral
卢伯拉尔铝基轴承合金
🗣️ 情景例句
How's everything with you?
你一切如何？
Though thy enemy seem a mouse, yet watch him like a lion.
即使敌人小如鼠，也要防他如防虎。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。