Passive substrate
[计] 无源衬底
🧩 词语组成解析
substrate
['sʌbstreit]
n. 底物;底层;基底;基层;
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
Please count the chairs in that room.
请在那个房间里数一下椅子。
She's very well, too, Helen.
她也很好，海伦。