A proton is an elementary particle of matter.质子是物质的基本粒子。an elementary English course基础英语课程Their course of study includes elementary hygiene and medical theory.他们的课程包括基础卫生学和医疗知识....
His classmates were labouring with elementary algebra.他的同学们正在绞尽脑汁地演算初等代数题.He served as an elementary-school custodian for 20 years.他当小学管理员20年了。an elementary English course基础英语课程Using Greek sources, he compiled in Latin s...
This lignification serves to stiffen and strengthen the cells.木质化足以使细胞变硬和增强.IBA treatment can promote the root elongate growth and the root lignification of M. hupehensis Rehd.吲哚丁酸能够促进湖北海棠根系导管的分化,使根系的木质化程度增加.Birth later ...
childhood, adolescence and adulthood童年、青少年及成年...the trials of adolescence.青春期的苦恼It's a retreat into the adolescence they never really had.这是对他们从不曾真正拥有的青春时代的回归.Adolescence is the period of transition between childhoo...
烯空气跟空气十分近似.Olefin gas closely approximates air.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中.All the chief difficulties crop up in the synthesis of the enone ( 1 ).某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane....
Conclusions The homoharringtonine injection of topical pterygium before excision was effective for decreasing recurrent pterygium.结论术前翼状胬肉局部注射高三尖杉酯碱可以减少翼状胬肉术后复发.Our economy continues to grow, our financial foundation rem...