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请你按照说明书步骤来使用实验室仪器。
单词释义 apparatus [??p??re?t?s] n. 仪器，设备
11 i am afraid i can't finish the experiment alone.
我一个人恐怕无法完成实验。
类似表达
i have some doubt as to whether i can finish the experiment all by myself. / i doubt if i can complete the experiment on my own.
12 in spite of numerous failures, their group continued to carry out the experiment without flagging.
尽管无数次实验都失败了，他们小组仍毫不气馁地继续进行。
单词释义 numerous [?nju:m?r?s] n. 许多的，很多的，数不清的
13 ellis was just not in the lab at the outset of the steam experiment.
蒸汽实验开始时，埃利斯刚好不在实验室。
词组释义 at the outset of 一开始
14 you can write down the operating steps in case of slipping from your memory.
你可以写下操作流程以防忘记。
词组释义 operating steps 操作流程
15 they have to live with the fact that the experiment is a complete failure.
他们不得不承认这次实验是一次彻底的失败。
词组释义 a complete failure 一次彻底的失败
16 i was quite disappointed with the inconclusive result of the experiment.
对于这样无效的实验结果，我感到很失望。
类似表达
the inconclusive result of the experiment disappointed me. / to my great disappointment,i found that the result of the experiment was inconclusive.
17 sally had her laboratory report written out clearly.
萨莉把她的实验报告写得清清楚楚。
语法提要
have sth done 是have+宾语+宾语补足语的结构，宾语sth 后面跟的是过去分词充当宾语补足语，说明宾语与宾语补足语所表示的动作是被动的关系。
18 maybe you will have to wait several minutes for the reaction.
也许你还得等几分钟，看看实验反应。
单词释义 reaction [r?'?k?n] n. 反应
19 i have no objection to your experimental principle.
我对你的实验原理没有异议。
单词释义 experimental [?k?sper?'mentl] adj. 实验的，试验性的
