补课
Some remedial work needs to be done on the foundations.
地基需要修补一下。
The poorly designed bridge needs remedial work to make it safe.
这座设计拙劣的桥需要做补救工作,以确保它的安全。
The poorly designed bridge needs remedial work to make It'safe.
这座设计拙劣的桥需要做补救工作,以确保它的安全.
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