Flatliner
n. 死人；没有活力的人
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。