Security system
[计] 安全系统
🧩 词语组成解析
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
Speak little of your ill luck and boast not of your good luck.
少说失意事，莫夸好运道。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。