苏打

yī hé sū dá bǐng gān

一盒苏打饼干

a box of soda biscuit

yī kuài sū dá miàn bāo

一块苏打面包

a piece of soda bread

xiǎo sū dá

小苏打

baking soda

wú táng sū dá

无糖苏打

diet soda