Chromatographic
a. 色析法的；层离法的
🗣️ 情景例句
to help you find a house now.
帮助你们找房子。
Can I take my vacation, sir? I would like to see my mother in Miami.
头，我可以休假吗？我要去探望在迈阿密的母亲。
Goodbye, Dr Zhang.
再见，张医生。