Coumaric acid
[化] 香豆酸\\n[医] 香豆酸, 羟苯基丙烯酸
🧩 词语组成解析
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
It takes time.
这需要时间。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。