Security system
[计] 安全系统
🧩 词语组成解析
🗣️ 情景例句
Seven after nine? No. I'm sure he's in his office.
九点零七分 ，不会太早的。我肯定他到办公室了。
A good wife makes a good husband.
有好妻子就有好丈夫。
The sea sparkled in the sunlight.
阳光下，大海波光粼粼。