观测guāncèto observe; to survey; to measureHSK 7-9PronunciationguāncèExample sentence天文学家通过射电望远镜观测遥远的脉冲星信号。Tiānwénxuéjiā tōngguò shèdiàn wàngyuǎnjìng guāncè yáoyuǎn de màichōngxīng xìnhào.Astronomers observe distant pulsar signals through radio telescopes.Read and choose an answerOne fixed sampleExplore a sample