中英释义：
双语例句
综述了近些年来以廉价原料合成达菲的研究进展。
The progress in synthesis of Tamiflu from inexpensive raw materials in recent years was reviewed.
重点词汇
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廉价
cheap; budget; inexpensive; economical; low-priced; cut-rate; money-saving; cheaply; bargain; at a low price; on the cheap; for a song; at a reduced price
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原料
raw material; material; feedstock; ingredient; stock; staple; crude material