派大海绵
辅材:auxiliary material(辅助材料)主材:main material(主要材料)【复数形式】auxiliary materials,main materials【例子】and besides, the invention has few auxiliary material kinds in a prescription,simple production process and low cost.另外处方中的辅料种类少,生产过程简单,成本低。Historically, the main material for makeing tables has been wood, but the metal and stone have also been used.从历史上来讲,制作桌子的主要材料是木材,但是金属和石材也有应用。
最爱银杏飘
原料英语是raw material。
例句:
1、这些树是制造优质纸张的原料。
These trees provide the raw material for high-quality paper.
2、树皮可以做造纸的原料。
Bark may be used as raw material for paper-making.
3、所有构件都用空心陶土砖做基本原料。
All the units employ hollow burned-clay blocks as the basic raw material.
4、厂家的生产原料不足。
The factory is scant of raw material.
5、在几乎长达五个世纪的时间里,大量的鳕鱼供应都为这一产业提供着丰富的原料。该产业在其鼎盛时期雇用了近四万人,为整个纽芬兰供货。
For almost five centuries a very large supply of cod provided abundant raw material for an industry which at its peak employed about 40,000 people, sustaining entire communities in Newfoundland.