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- Dengue fever is an important epidemic disease distributing in tropic and sub tropic region.Many countries and WHO work hard to prevent its development. 摘要:登革热是全球热带与亚热带的重要流行疾病，许多国家正同世界卫生组织积极防治疫情发展。
- The new breed of pennisetum pureum tropical forage grass has been cultured which is accustomed to the sub tropic climate condition via introduction and choosing of hybridization. 用美洲狼尾草与非洲象草进行远源杂交,选育出了适应亚热带气候条件栽培的热带牧草王草新品种,并大田观察其生物学特性。
- I'm sick of being piggy in the middle all the time. 我腻烦了总是夹在争吵双方的中间。
- He planted roses in the middle of the garden. 他在花园中间种上玫瑰。
- He admires the chivalry of knights in Middle Ages. 他很佩服中世纪武士的侠义精神。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- My wheel twisted off in the middle of the car race. 我的车轮子在汽车比赛中途脱掉了。
- We have studied botany in our middle school. 我们在中学的时候就学过植物学。
- There are 300 students or so in this middle school. 这所中学大约有300个学生。
- He was appointed the rector of the middle school. 他被任命为那所中学的校长。
- She has dropped out in the middle of the race. 她中途退出比赛。
- We've learned algebra in middle school. 我在中学就学过代数学。
- He broke off in the middle of a sentence. 他一句话只说了一半就停住了。
- He is standing in the middle of the classroom. 他正站在教室中间。
- He is studying at a junior middle school. 他正在上初中。
- We had studied physiology in middle school. 我在中学就已经学过生理学。
- The sheets have worn thin in the middle. 床单的中间部分磨薄了。
- Here's our file on the Middle East. 这是我们关于中东的案卷。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- Europe suffered many plagues in the Middle Ages. 欧洲在中世纪屡屡遭受瘟疫。
