Precondensate
[化] 预缩合; 预缩合物
🗣️ 情景例句
About forty minutes, I think.
我想大约40分钟。
How much does it cost to go there by ship?
坐船到那里要花多少钱？
What is your best price on this item?
此一品目的最低价是多少？