Alarm master
[计] 主报警装置
🧩 词语组成解析
master
['mæstɚ]
n. 硕士;主人（尤指男性）;大师;男教师;
vt. 精通，熟练;作为主人，做…的主人;征服;使干燥（染过的物品）;
adj. 主要的;主人的;精通的，优秀的;原版的;
🗣️ 情景例句
We're talking about buying
我们在商量购买
How many workshops are there in your factory?
你们厂有多少车间？
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。