搜题
问题   更新时间2023/4/3 12:59:00

40、 做科学研究不容易,不仅需要时间,精力和经费,还需要具有自制力和奉献精神。

参参考考答答案案:: It’s not easy to do scientific research; it requires time, energy and money as well as discipline and commitment.
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