When did the new teacher arrive on the scene?

新老师是什么时候到教室来上课的?

《简明英汉词典》

Wyatt is about to shoot Mahone when police arrive on the scene.

怀亚特正想拔枪射向马宏时,警察到达了现场.

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The witness arrive on the scene at about dusk.

这个目击证人在黄昏的时候才到.

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Brazilian naval vessels are expected to arrive on the scene Wednesday.

巴西海军专用船预计在星期三到达事故现场.

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The moment children arrive on the scene a big gap opens up.

但有了孩子之后,就出现了很大的差距.

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