把好苹果放在有孔的聚乙烯袋中保存。Keep good apples in perforated polythene bags.样品采集在有孔的聚乙稀袋中.The samples are collected in perforated polyethylene bags.我有孔的顶部和底部.I have holes on the top and bottom....
...the heavy city traffic with its endless delays at lights and crossings.在交通灯和十字路口前长久等待的拥堵的城市车流His erudition was apparently endless.他的学问显然博大精深。China International Horologe Exhibition , an event with endless business opp...
Antibodies in the yolk are collectively named yolk immunoglobulin ( IgY ).此蛋黄中的抗体称为IgY( YolkImmunoglobulin ).DeternSning contents of immunoglobulin and alexin in milk by Agar Immunodiffusion technique.用琼脂单项免疫扩散法测定牛乳免疫球蛋白...