Unsafety
不安全, 不安全状态, 危险
🔴 反义词
🗣️ 情景例句
Congratulations, Michelle! That's something!
恭喜 ，Michelle！太好了！
Who is calling?I don't recognize your voice.
谁打来的电话？我听不出你的声音。
No, she's much younger than I am. She only started here this term.
对，她年纪比我小得多。她是这个学期才进校学习的。