Precautional
a. precaution（预防, 防备；预先警告）的变形
🗣️ 情景例句
Bye.
再见。
Would you like to go for a walk?
你想去散步吗？
As it happens, a razor that is safe in Europe is unlikely to electrocute Americans.
碰巧在欧洲使用安全的剃须刀不大可能使美国人触电身亡，