Sentinels
n. 岗哨, 哨兵( sentinel的复数形式 )
🗣️ 情景例句
I'll have vanilla.
我要香草的。
All our work was in vain.
我们白干了一场。
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。