emit

emit
/ɪˈmɪt; ɪ`mɪt/ v
(-tt-) [Tn]
give or send (sth) out; discharge 发射, 放射, 发出（某物）; 排出; 排泄
    A volcano emits smoke, lava and ashes. 火山喷射出烟、 熔岩和灰烬.
    She emitted a cry of pain. 她发出痛苦的呼叫.
    The cheese was emitting a strong smell. 乾酪散发出强烈的气味.

牛津英汉双解词典