在: exist; be living紧急: urgent; pressing; critical; ...时刻: time; hour; moment上场: appear on the stage; enter替补: alternate的: 4次方是 The fourth power of 2 i ...投手: pitcher上场替换的投手: relief pitcher紧急时刻: critical time; in the hour of need; only time关键时刻上场代替: ph; pinch hit关键时刻上场代替击球: ph关键时刻上场发球的队员: pinch server替补的: stopgap斗争时刻上场的代替击球的队员: pinch hitter关键时刻上场代替击球的队员: pinch bitter关键时刻上场代替接球的队员: pinch receiver紧急时: at a push替补的飞机: replacement aircraft甲板上平时需用但在紧急时会妨碍操作的船具: hamper替补投手: relief pitcher (set 1); relief pitcher (set 2); rp危急时刻: at the eleventh hour; clutch; desperate hours在紧急关头: at a crisis紧急时间: crash time开场替补球员的数量: of starting subs潜在紧急状态: contingency
