出现许多问题
Many problems arise
以上为机器翻译结果，长、整句建议使用 人工翻译 。
克隆恐龙的过程中也会出现许多问题。
Many questions also arise in the cloning of dinosaurs.
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我脑中不断出现许多问题。
Many problems kept cropping up in my mind.
传统的座式酒精喷灯在使用过程中常出现许多问题，影响实验。
The traditional pillar alcohol blow lamps have many shortcomings and may cause much inconvenience during the experiments.
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