Permutit ethods
[医] 人造浮石法(检尿氨)
🧩 词语组成解析
[机] 人造沸石
🗣️ 情景例句
Please, after you.
你先请。
The camera is out of order.
这照相机出毛病了。
She looked at it critically for a moment.
她认真的看了好一会儿。