ensure to造句

1、Screening from the various cryoprotectant, mannitol and sucrose were ensure to protect liposome.
最后确定以甘露醇和蔗糖合用作为冻干保护剂。

2、Ensure to select qualified mould suppliers.
确保选择合格的模具供应商。

3、These documents ensure to you the authority you need.
这些文件使你获得你需要的职权。