Mastered
a. 精通的
🗣️ 情景例句
I can assure you that as long as you stay at home, you're safe.
我可向你保证，只要你呆在家里就会很安全。
One usually pricks up one's ears when his name is called.
人在被叫到自己的名字时，通常要侧耳倾听。
The radio says that it may stop raining later.
广播说晚些时候雨可能会停。”