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- The genes sequentially instruct the cells to produce proteins called antigens on their surfaces that are recognized by defense cells called T-cells. 这些基因按顺序给细胞下指令生产表面抗原蛋白质。 通过防御细胞可以鉴别到这些蛋白质。
- The stomas had subsidiary cells only in A. glabra.The stomas had only defensive cells but no subsidiary cells in the other species. 除圆滑番荔枝的气孔有副卫细胞外，其它气孔只有保卫细胞而无副卫细胞；
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- They are repairing the defense works. 他们正在修防御工程。
- The accused has the right to defense. 被告人有权获得辩护。
- Human tissue is made up of cells. 人体的组织是由细胞构成的。
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
- A tissue is a group of similar cells which have an identical general function. 组织是一组具有相同的一般机能的类似细胞。
- The defense was overwhelmed by superior numbers. 防守被优势的兵力摧垮了。
- She spoke up in defense of her political beliefs. 她为她的政见力辩。
- He was called as a defense witness. 他被传唤作被告的证人。
- Several nations formed a defense league. 几个国家结成了防御联盟。
- He was the then secretary of Defense. 他是当时的国防部长。
- The defense of the accused was rather weak. 被告人的辩护软弱无力。
- Animal bodies are made up of cells. 动物的身体是由细胞组成的
- Jordan is a better shooter. He has better defens. 乔丹是一个更好的射手.;他的防守更好
- A formal justification or defense. 正式辩解，正式辩护
