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
It is not as difficult as it looks.
这并不像看起来那丢难。
Have you washed any dishes?
你洗碗碟吗？
Even if two of these were flooded, she would still be able to float.
即使有两个舱进水，仍可漂浮的水面上。