Phthienoic acid
[化] 结核菌烯酸
🧩 词语组成解析
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
What will you do the day after on next?
后天你干什么？
Last summer it was very dry, too.
去年夏天也是干得很。