Main alarm
[计] 主报警信号
🧩 词语组成解析
main
[meɪn]
adj. 主要的，最重要的;全力的;
n. 最主要的部分，重点;主要管道;体力;[航海]公海;
🗣️ 情景例句
Did you catch anything?
你钓到什么鱼没有？
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
or of the habits of the social insects, let us say.
和昆虫群居的习性