Backchannel
（传递消息的）秘密渠道, 特殊途径
🗣️ 情景例句
Her will to live enabled her to recover.
她求生的欲望使她得以复原。
That night we partied until dawn.
那晚我们痛饮到天亮。
Fine. What's the weather like in Beijing?
很好。北京的天气怎样？