signal [ˈsɪɡn (ə)l] ① n. 信号，暗号；标志，预示；示意；信号灯 ② v. 发信号，示意；（用语言或行动）表明；标志着，预示 C adj. 重大的，显要的 例句 Some analysts say this year’s ...

Recently, China’s Tianguan satellite (Einstein Probe Satellite) detected a gamma-ray burst EP240315a. It's the first time to ...