Standbys
n. 待命（状态）( standby的复数形式 ); 备用的人或物; 随时准备行动; 等退票（或余票）
🗣️ 情景例句
Railroad stations or airports--Grandpa always tells us he'll get here by himself.
无论是火车站还是机场，爷爷总是说他会自个儿设法到这 。
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
There was danger that the wave would rebound off the other side of the bank and send the dish plunging into the water again.
但是当波浪从河对岸折回来时，就有再次把盘子拖进水里的危险。