Slep
abbr. Service Life Extension Program 延长使用期计划
🗣️ 情景例句
You can put it that way.
你可以那样说。
It is easier to descend than to ascend.
下降容易上升难。
He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours.
他经历了一次漫长而又难受的旅程，因为他在那木箱里闷了18个多小时。