ascertainment

发音:  US [ˌæsə'teɪnmənt] UK [ˌæsə'teɪnmənt]
  • n.确认;识别;认证;标识
  • Web检查;建立跟踪;知道
miss overlook pass over
discover catch on (to) find out get on (to) hear learn realize see wise (up)