Dihydroxy tetrabasic acid
[化] 二羟四价酸; 二羟四碱价酸
🧩 词语组成解析
a. [化]四代的, 四元的, 四碱的
🗣️ 情景例句
And good luck! I've got to go.
祝你好运 我得走了。
He is also very fond of playing tennis and manages to find time for a game twice a week.
他非常喜欢打网球，每周总要抽时间打两次。
Mrs. Zhu, I called to tell you that the conference has been delayed until the 15th and 16th.
朱夫人，我来告诉你会议已经推迟到了15号至16号开。