Lasing
[计] 激光作用, 产生激光
🗣️ 情景例句
Good-bye.
再见。
You should take advantage of it.
你应该好好利用这个机会。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。