be on guard
导读：be on guard读音音标
英 [bi: ɔn ɡɑ:d]美 [bi ɑn ɡɑrd]
be on guard意思解释
释义防范；惕励；惕历；
双语例句Troops are on the alert against any possible aggression.
英 [bi: ɔn ɡɑ:d]美 [bi ɑn ɡɑrd]
be on guard意思解释
释义防范；惕励；惕历；
双语例句Troops are on the alert against any possible aggression.
be on guard读音音标
英 [bi: ɔn ɡɑ:d]
美 [bi ɑn ɡɑrd]
be on guard意思解释
释义
防范；惕励；惕历；
双语例句
Troops are on the alert against any possible aggression.军队戒备着可能的来犯。
