noun🔗Share旗语，信号装置 Any equipment used for visual signalling by means of flags, lights, or mechanically moving arms, which are used to represent letters of the alphabet, or words."The construction crew used a semaphore with brightly colored flags to guide the crane operator. "施工队使用一面带有鲜艳旗帜的旗语装置来引导起重机操作员。communicationtechnologynauticalsignalmachinemilitarydeviceChat with AIVocabulary GamePractice Reading
noun🔗Share旗语 A visual system for transmitting information using the above equipment; especially, by means of two flags held one in each hand, using an alphabetic and numeric code based on the position of the signaller's arms; flag semaphore."The sailors used semaphore to send a message from ship to shore because their radio was broken. "由于无线电坏了，水手们用旗语从船上向岸边发送消息。communicationtechnologysignalnauticalmilitarysystemsignwritingChat with AIVocabulary GamePractice Reading
noun🔗Share信号量，旗语。 A bit, token, fragment of code, or some other mechanism which is used to restrict access to a shared function or device to a single process at a time, or to synchronize and coordinate events in different processes."The thread increments the semaphore to prevent other threads from entering the critical section at the same time."线程递增信号量，以防止其他线程同时进入临界区。computingtechnologyprocesssignalcommunicationdevicesystemfunctionChat with AIVocabulary GamePractice Reading
verb🔗Share打旗语，用旗帜信号示意 To signal using, or as if using, a semaphore, with the implication that it is done nonverbally."From across the noisy playground, the teacher semaphoreed to the children to line up. "老师在嘈杂的操场对面，用手势像打旗语一样示意孩子们排队。communicationsignalnauticalmilitaryChat with AIVocabulary GamePractice Reading
