Compound staining
[医] 复合染色法
🧩 词语组成解析
[医] 染色法, 染色
🗣️ 情景例句
The longer the words the better.
单词越长越好。
How long have you had this pain?
疼痛多久了？
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，