A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。Seven million doses of vaccine are annually given to British children.英国孩子每年要接种7百万剂疫苗。El Salvador produces 100,000 tons of refined copper annually.萨尔瓦...
首批飞机运送的食物、儿童衣物和药品开始抵达。The first plane-loads of food, children's clothing and medical supplies began arriving.正常情况下，巴黎的交通系统每天运送95万乘客。Normally, the transportation system in Paris carries 950,000 passengers a day.民兵首领已...
For ten years she dwelled among the nomads of North America.她在北美游牧民中生活了十年。North America is connected with South America by the Isthmus of Panama.巴拿马海峡把北美同南美连接起来.South America is joined to North America by a canal.南美洲和北美洲...
Wreaths were laid at the martyr's tomb.烈士墓前安放着花圈.Wreaths are woven of wool, feathers, or even human hair.还有人将羊毛 、 羽毛 、 甚至头发编织成花环.All the morning wreaths and crosses of beautiful flowers had poured in.整个上午,饰有美丽鲜花的花圈和...
These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶界形核.A simplified model of isothermal austenite grain growth has been developed.在分析现有描述奥氏体晶粒长大模型的基础上,提出一简化模型.The...