Loggerheaded
n. (棒端有一铁球、烧烫后用以融解柏油等的)铁球棒；(捕鲸船尾的)索圆柱
🗣️ 情景例句
John cannot get to the phone right now.
John现在没办法接电话。
An occasion lost cannot be redeemed.
时机失了无法挽回。
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。