Carboxide
n. 羰基\\n[化] 环氧乙烷二氧化碳1
🗣️ 情景例句
but I have work to do.
但我有工作要做。
We have 50 provinces.
我们有50个省。
Can you tell me why our bid was not accepted?
请告诉我为什么我们没有得标好吗？