proof sample
英
美
- proof n.证明；证据；校样adj.防...的；耐...的vt.检验；给...做防护措施
- sample n.样品；样本vt.采样；取样；品尝，体验
- The sample enters the boiler unit.
试样进入蒸发器。
- Can adapt to a variety of materials, sample preparation.
可适应各种材料的试样制备。
- What I need is nothing but a sample.
我需要的不过是一件样品而已。
- The invoice charges us for the sample.
发货单上列出了样品费。
