Deadheading
(deadhead 的现在分词) n. 免费乘客, 免费入场者
🗣️ 情景例句
I met with Bill York today.
今天我跟Bill York会面了。
Do you often do work during the holidays?
你常常在假日期间做工作吗？
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，