Amphoterism
[化] 兩性現象; 兩性性質\\n[醫] 兩性, 酸鹼兼性
??? 情景例句
Trees, grass.
有綠樹 ，有草地。
I have come to make sure that your stay in Beijing is a pleasant one.
我特地為你們安排使你們在北京的逗留愉快。
Thank you very much.
謝謝。