Voluntaries
n. 自愿的( voluntary的名词复数 ); 志愿的; 义务的; 可控的
🗣️ 情景例句
He's unwilling to accept advice.
他不愿接受劝告。
To step on
踩到
For a few hours, you settle back in a deep armchair to enjoy the flight.
几小时之内，你躺在扶手椅上，享受着旅途的欢乐。