Vanadol
双氧钒基
🗣️ 情景例句
The wedding ceremony will be over.
婚礼会结束。
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
Do you think there is something wrong with the contract?
你认为合同有问题吗？