Faculative
a. 允许的, 任意的, 兼性的, 偶发的
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
Can you do me a favour?
您能帮我个忙吗？
Films, videos, CDs and CD-ROMS are just some of the bewildering amount of information they will have.
电影、录像、光盘和光盘驱动器只是能为他们提供令人眼花缭乱的大量信息的几种手段。