Three-db coupler
[电] 三分贝耦合器
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
decibel 分贝;
coupler
['kʌplə]
n. 连结者，配合者;车钩;
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
I said, Do you need any help?
我是说:你需要帮忙吗？"
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。