将溶液充分混合，并在使用前让它静置30分钟。

Mix the solution thoroughly and let it stand for about 30 minutes before using it.

youdao

该装置的全称叫做“便置式拱形折流坝”。它与前两种装置采用相同材料制作，可以围住一个被暂时封堵住的堤坝裂口，使之与河水隔开。

The Rapidly Emplaced Hydraulic Arch Barrier, made of the same material as the other two devices, can be put in place around a plugged breach to keep it sealed and dry once the plug has been removed.

youdao

Google将Blogger服务回滚到维护前的状态，然后在解决这个问题的过程中将服务置为只读模式，这个时候用户不能在Blogger上发表文章。

Google rolled back the blogger service to a pre-maintenance state and placed the service into read-only mode while the company worked through the problem, making it impossible to post to blogger.

youdao