Kibbal
[采矿]吊桶
🗣️ 情景例句
He's ready for you, Mr. Stewart.
他可以见你啦， Stewart先生。
How is the weather today?
今天天气如何？
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。