3D 打印机用液体塑料来建造物体，他们一层一层地建造着物体，直到完成。
3D printers are used to build an object with liquid plastic. They build the object layer by layer until it is complete.
他们用大型的金属锅把咖啡煮成浓稠的黑色液体，并在里面加上肉桂、豆蔻和茴香等调味料。
They brewed it in large metal pots, producing a thick, dark liquid to which spices such as cinnamon, cardamom, and anise were added.
他们用管子引入液体。
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