Summing amplifier
[计] 加法放大器
🧩 词语组成解析
[计] 求和
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
Can't be picky.
不可以偏食。
Today we have two new students. Their names are Lucy and Lily.
今天我们班来了两位新同学，他们的名字叫Lucy和Lily。