Oildag
石墨润滑剂, 胶体石墨
🗣️ 情景例句
I'm calling to know if it would be at all possible to cancel our reservation.
我打电话想知道我们的预约是否有可能取消。
It is clear that fish is bigger than others and wins the championship.
这一条明明比其他的大，而且会获胜的。
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他来到一个投币地电话前，