You should try to scratch up at least an audience of 50 people.

你应设法至少凑拢50名听众.

辞典例句

Foxes will scratch up grass to find tasty bug and beetle morsels.

狐狸会挖草地,寻找美味的虫子和甲壳虫.

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You should try to scratch up at least an audience of 5 0 people.

你应设法至少凑拢50名听众.

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