Facultative
a. 授权的, 机能上的, 才能上的, 能力上的, 兼性的, 可选择的, 任意的\\n[化] 兼性的
✅ 同义词
🔴 反义词
🗣️ 情景例句
Oh, Wang Ming, this is she.
哦，王明，我就是高玲。
The first several months were a difficult time.
所以头几个月过得有些艰难。
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place.
接着，冯·弗里施认为蜜蜂不仅需要知道到远的喂食点的距离。