Pertungstate
过钨酸盐
🗣️ 情景例句
I can't drop the price any further, the owner doesn't allow it.
我不能再进一步砍价了，卖主不肯让步。
Food is necessary to maintain life.
食物是维持生命所必需的。
I have to catch a plane. Could you hurry?
我在赶飞机， 你能快点吗？