na

na的英语例句

1. In addition to prolongation of APD, aconitine increased I _ ( Na ) 、 I _ ( Ca - L ) and I _ ( K 1 ).

   乌头碱1μmol·L~(-1)显著增加I_ ( Na ) 、I_ ( Ca -L ) 、 和I_ ( K1 ),但对I_ (to) 有抑制作用.

2. Maine's most famous yield, potatoes, constitutes about 12 per cent of the na tion's crop.

   缅因州最著名的作物是马铃薯, 产量占全国百分之十二左右.

3. These lovely children are very na � � ve and carefree.

   这些可爱的孩子们非常纯真且无忧无虑.