但那些英国的饮茶人士还算走运，普鲁士蓝是一种化合物分子，它在人体中几乎没可能释放出氰根离子。所以这种物质最终将安全无害的从人体中排出。
Fortunately for the tea drinkers of Britain, Prussian blue is a complex molecule, so it is almost impossible to release the cyanide ion from it and the poison passes harmlessly through the body.
但是那只是一片安慰剂，一种无害的物质。
另一种是利用有机物质，吸收紫外光并进行能量转换，以热能形式或无害低能辐射将能量释放或消耗。
The other is utilizing organic matter to absorb the ultraviolet and transfer the energy , then release or consume the energy in the form of heat or by harmless low-energy radiation.
它仅仅是一组服用安慰剂，一种无害的物质。
如果该蛋白质来自于细胞中无害的物质，免疫系统中一种被称为T细胞杀手会认为它们对人体不构成威胁而将其放行。
If this protein is derived from harmless substances inside the cell, immune system components known as killer t cells will bypass the cell, considering it to pose no threat to the body.
反应可以生成纯净的氢气，可作为燃料电池的能源，还会生成氧化镁，一种相对无害的物质。
The reaction produces a pure form of hydrogen suitable for fuel cells, leaving behind only magnesium oxide, a relatively benign material, as a by-product.
反应可以生成纯净的氢气，可作为燃料电池的能源，还会生成氧化镁，一种相对无害的物质。
The reaction produces a pure form of hydrogen suitable for fuel cells, leaving behind only magnesium oxide, a relatively benign material, as a by-product.
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