make (sth) certain to happen
make sb secure
"This nest egg will ensure a nice retirement for us"
"Preparation will guarantee success!"
"He verified that the valves were closed"
"See that the curtains are closed"
"control the quality of the product"
Ensure us from all error and mistake.
出自： J. Reynolds
你应装双层玻璃以免散热。 ensure sb against sth/v-ing
There must be safety devices to ensure workers against accidents.
Vaccinations ensure one against diseases.
We must ensure our children against contamination by bad ideas.
Carefulness ensures you against errors.
Proper clothing ensured us against suffering from the cold.
I can ensure that they shall (偶尔用will) come tomorrow.