我保证确保替换的元件具有正确的额定电压和功率。

I'm sure that the replacement element has the correct voltage and wattage rating.

youdao

请到当地车站或致电1312查询有关车票信息。昆士兰铁路尽力确保火车按时运行，但不能保证火车之间或火车与公交的衔接。

For ticket information, please ask at your local station or call 1312. While Queensland Rail makes every effort to ensure trains run as scheduled, there can be no guarantee of connections between trains or between train services and bus services.

youdao

自动对等恢复需要排它文件锁定的使用和保证来确保事务的数据完整性。

Automatic peer recovery does require the use and guarantee of exclusive file locks to ensure transactional data integrity.

youdao

So, in terms of what it is that you need to prepare and bring with you for the exam, you need to bring your MIT ID, especially if you haven't been showing up regularly to your recitations and you aren't 100% sure if your TA knows exactly who you are, you need to make sure you have your MIT ID with you.

那么，关于你需要做哪些准备,考试可以带哪些东西，你需要带着你的学生证，尤其是如果你没有经常地参加,习题课,你不能百分之百保证,你的助教确实认识你，那么你更得确保自己到时带着学生证。

麻省理工公开课 - 化学原理课程节选