Specilize
v. 特殊化,专攻,详述
🗣️ 情景例句
So long.
再见。
Work today, for you know not how much you may be hindered tomorrow.
今天有事今天做，明天可能事受阻。
You need to wear lots of warm clothes.
人们要穿很多的保暖的衣服。