Faculative
a. 允许的, 任意的, 兼性的, 偶发的
🗣️ 情景例句
We'll find the owner.
我们会找到狗的主人的。
I subscribed to a lot of periodicals last year.
去年我订了许多期刊。
There is a fire burning in the fireplace, and the Christmas tree lights are shining brightly.
火在壁炉里熊熊燃烧，圣诞树的彩灯在交相交烁。