ensure
- vt. 保证，确保；使安全
英英释意
- 1. make certain of;
- "This nest egg will ensure a nice retirement for us"
- "Preparation will guarantee success!"
- 2. be careful or certain to do something; make certain of something;
- "He verified that the valves were closed"
- "See that the curtains are closed"
- "control the quality of the product"