Sealed circuit
[计] 密封电路
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
That's track 1 at 9:45.
1轨道，9点45分开。
That couldn't be better.
那再好不过了。