Question

第1至第12的英文怎么写

Answer 1

第1至第12的英文是：first 、second、third 、fourth 、fifth 、sixth 、seventh、eighth 、 ninth 、tenth .
例句：C组第1天全部吸收。
Methylcellulose was fully absorbed at the first day in C group.

扩展资料

　　1、A组于术后第1天至术后3周分米波照射治疗，频率915MHz，功率8W，辐射距离10cm，每1次，每次10min。

　　Decimeter wave therapy was applied in chickens of A group since day 1 to week 3 after operation with frequency of 915 MHz, power of 8 W, and radiation distance of 10 cm once a day and 10 minutes each time.

　　2、鱼苗孵出后第1天至第3天，消化道呈直管形，管壁由单列细胞组成，口裂未形成，肛管不与外界相通，营养靠自身的卵黄囊。

　　It was found that from the lst to the 3rd days after hatching out I the digestive organ was in the shape of a straight pipe and its wall was composed by single-ranged cells.The mouth was not formed and the anus was not connected with the outside.