Dimorphism
n. 同种二形, 二态性\\n[化] 双型; 双晶现象
🗣️ 情景例句
Alexandra might call. Alexandra
可能会来电话。
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
Old tunes are sweetest and old friends are surest.
老调最甜美，老友最可靠。