The company said it is made out of food-grade substances, making it a cleaner product.

该公司表示，它是由食品级物质成的，这使其成为种更清洁的产品。

The inferior ranks of people in the provinces are assessed in the second.

各省中品级较低的人， 评定在其次。

In short, it's a food-grade plastic, which is used in making something as simple as milk cartons.

简而言之，它是种食品级塑料，用于造像牛奶盒这样简单的东西。

These four types of ants and their different roles demonstrate the clear social division of labors in an ant colony and the ants' highly social nature.

这四种品级的蚂蚁及其不同的角展示了蚁群中明确的社会分和蚂蚁高度社会化的本质。

The project involved composing brain cell diagrams of the four different types of ants in a colony — worker, male, gyne and queen — by analyzing 900 monomorium pharaonis, also known as pharaoh ants.

该项目包括通过分析 900 只法老蚁（也称为法老蚂蚁），绘蚁群中四种不同品级蚂蚁的脑细胞图——蚁（worker）、雄蚁（male）、处女繁殖蚁（gyne）以及蚁后（queen）。

Li Qiye, head of the research project at the BGI Group in Shenzhen, Guangdong Province, explained to the Global Times that such clear social responsibilities within a colony have led each type to have different brain structures.

广东省深圳市华大基因集团研究项目负责人李启业向《环球时报》解释说，群体如此明确的社会分导致每种品级都有不同的大脑结构。

The real way to do this is to use a food grade lye, but we're doing a work around of baking soda that has been previously baked in the oven at 250 degrees Fahrenheit for an hour.

真正的方法是使用食品级碱液，但我们正在使用小苏打， 小苏打之前已在烤箱中以 250 华氏度烘烤小时。

A monarchical government supposes, as we have already observed, pre-eminences and ranks, as likewise a noble descent. Now since it is the nature of honour to aspire to preferments and titles, it is properly placed in this government.

如同我们所说，君主政体必须以优越的地位、品级，甚至高贵的出身为依据。 荣誉 的性质要求优惠的待遇和高贵的品爵。正因为这缘故，荣誉在这政体中获得了地位。