Stroboscopy
闪光测频法
🗣️ 情景例句
That's not true.
那不是真的。
I don't know. You may look in the TV Guide.
我不知道，你可以看看《电视报》。
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。