flatlinen.
'flætlain
中文n. （心脑电图呈现的）平线\nvi. 死亡
（心脑电图呈现的）平线
vi. 死亡
词根词源
flatline (v.)"give no indication of life, cease to function," by 1998, from the flat (adj.) line (n.) on an electrocardiogram or electroencephalogram when the patient is dead. Related: Flatlined; flatlining.
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