| 释义 |
presignal/priːˈsɪɡnəl/vt.(presignals,presignalling,presignalled)<美>(presignals,presignaling,presignaled)预先用信号发出详细释义源自:《新世纪英汉大词典》Collins外研社 vt /priːˈsɪɡnəl/预先用信号发出词形变化源自:《新世纪英汉大词典》Collins外研社动词一般现在时第三人称单数: presignals动词现在分词: presignalling动词一般过去时: presi |