Because the gastrointestinal tract is not a sterile environment, so bacteremia caused by EUS-FNA is also concerned.

因为EUS - FNA所经过的胃肠道并非无菌环境，所以EUS - FNA引发的菌血症也备受人们关注。

A new baby is coming out of a sterile environment, having received all its nutrients intravenously through the placenta.

新生儿出生前一直处于无菌的环境中，从胎盘获取他所需要的营养素。

Only minimal training is required and no external power, electricity, equipment, clean water, or sterile environment is needed.

它只需简单培训，又无需外部能量、电、设备、干净的水或无菌环境。

Taylor dismissed any health concerns, saying the cockroaches were raised in a sterile environment and were as safe to eat as shrimp or lobster with high nutritional value.

泰勒否认了所有健康隐患，称这些蟑螂都生长于无菌环境，和吃虾或者龙虾一样安全并富有营养。