But are sugar substitutes safe to use?

但是这是这些甜味剂安全吗？

youdao

It also benefits from being fully automated and therefore easy and safe to use.

还有一个益处是完全自动化，因此使用起来既容易又安全。

youdao

Some pain relievers like aspirin and ibuprofen are not safe to use during pregnancy.

一些止痛药如阿司匹林，布洛芬，在怀孕期间使用并不安全。

youdao

The most important weapon against carbon monoxide poisoning is the safe use of materials to heat any enclosed area.

VOA: special.2010.02.02

Some customers want to use your safe because safes are hard and expensive to get and some -and then you've got all this gold, so you might as well lend it out.

顾客需要使用你的保险箱,因为对个人而言保险箱既昂贵又难以获得,这样你就拿到他们的金子,然后你可以把金子借出去

耶鲁公开课 - 金融市场课程节选

Well, not everybody, but everybody can use to keep emails safe, just like sort of a really easy thing to do.

嗯，不一定是所有人，但是每个人都可以轻而易举地用这种密码来保证自己邮箱的安全，

积极参与俱乐部活动 - SpeakingMax英语口语达人

Flight attendants should let you know when electronic devices are safe to use as you wait.

BBC: US Senate and House vote to reduce flight delays

Councillor Ric Metcalfe, the authority's leader, said he wanted to make sure they were safe to use.

BBC: Lucy Tower car park

Shanghai authorities have stepped up tap water tests and assure residents that the tap water is safe to use.

BBC: China media: Tension over North Korea