semaphore

sem

[ 'semәfɒ: ]

BNC词频 25064 COCA词频 31211

n. 信号, 臂板信号, 旗语
vt. 用信号联络
vi. 打信号, 发旗语
[计] 信号; 号志; 信号灯

n. an apparatus for visual signaling with lights or mechanically moving arms
v. send signals by or as if by semaphore
v. convey by semaphore, of information

英汉双解字典由 ECDICT 提供