Sealed tubes
[医] 熔封管, 封闭管
🧩 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
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
I think the problem can be gotton over without too much difficulty.
我认为问题不难解决。
Did you go to the park yesterday?
你昨天去公园了吗？
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。