Dicarboxylic
[化]二羧基的
🗣️ 情景例句
Keep your eyes on the road.
专心开车。
How long will the flight be delayed?
班机诞误多长时间？
It happens every night. The noise wakes me up. Would you please not do this?
每晚都这样。这声音总吵醒我！请你别这样，好吗？