Allergenic extract
[医] 变态反应原浸出物
🧩 词语组成解析
a. 变应原的\\n[医] 变应原的
🗣️ 情景例句
How much does it weigh?
它多重？
In shifts
轮流
No. The next development was to carve the characters on a piece of wood.
是的，不象。下一步的发展是将汉字刻在一片木板上。