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次梯度
🗣️ 情景例句
I read everything I can get my hands on but I like ghosts stories best.
我随意拿起什么便看什么，但我最喜欢看鬼故事。
I asked him to come with me , but he wouldn't.
我请他和我一起来，但是他不肯。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。