Unshielded
未掩蔽的, 无保护的, 无防御的
🗣️ 情景例句
(a foreigner) Is that a special day?
（一个外国人）是一个特殊的日子吗？
Before I eat dinner,I read the newspaper for a while.
在我吃晚饭以前，我花一会儿读报纸。
She got up before 7 o'clock in the morning, and quickly washed her hands and face.
00以前起床，快快地洗手洗脸。