听到警报后,所有人员一齐撤离到指定区域。Tīngdào jǐngbào hòu, suǒyǒu rényuán yìqí chèlí dào zhǐdìng qūyù.After hearing the alarm, all personnel evacuated together to the designated area.
音乐一响,台下的观众一齐鼓起掌来。Yīnyuè yī xiǎng, táixià de guānzhòng yìqí gǔqǐ zhǎng lái.As soon as the music started, the audience below the stage began to applaud together.
老师一进门,全班同学一齐站了起来。Lǎoshī yī jìn mén, quán bān tóngxué yìqí zhàn le qǐlái.The moment the teacher entered, the whole class stood up together.