Despite being light and strong, the metal remains a foreign substance which could wreak havoc in a part of the body vulnerable to all manner of infections, making it unsuitable for actual surgery.
尽管又轻又结实，但是金属始终是异物，可能会对易受各种感染的人体部位造成严重破坏，使它不适合实际手术。
To combat the foreign substance, the immune system releases a chemical called histamine.
为了抵抗这种外源性物质，免疫系统释放一种称为组胺的化学物质。
Even with a similar tissue match, the body still treats the new heart as a foreign substance.
甚至组织型相配，人体仍然把新心脏当做外来物对待。
Normally, t cells are activated by a complex series of signals that end with the destruction of the foreign substance.
正常情况下，T细胞会被复杂的信号系统激发，最终将异物消灭。
Have functions such as escaping from the gas, dehydration, taking off foreign substance, taking off acid, breaking emulsification, getting rid of a foam.
具有脱气、脱水、脱杂质、脱酸、破乳化、除泡沫等功能。
Because coal for power generation varies widely and has high foreign substance content and low grindability, the life time of the rollers in medium speed pulverizer is shortened.
由于发电用煤种类多、杂质含量偏高，可磨性较差，造成中速磨煤机磨辊耐磨寿命缩短。
Objective To establish a kind of method for using high-performace liquid chromatography to measure macromolecules foreign substance in dispersible tablets of Penicillin V Potassium.
目的：建立一种高效液相色谱法测定青霉素V钾分散片的高分子杂质的方法。
Purified liquor means liquor which has no or few foreign substance harmful to people′s health, contains no flavour components and has its particular production mode and quality standard.
纯净酒即指不含或基本不含对人体有害的杂质的酒，不含呈香呈味的物质成分，有独特的生产工艺和质量标准。
Purified liquor means liquor which has no or few foreign substance harmful to people′s health, contains no flavour components and has its particular production mode and quality standard.
纯净酒即指不含或基本不含对人体有害的杂质的酒，不含呈香呈味的物质成分，有独特的生产工艺和质量标准。
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