zhī fáng
fat (in the body, in a plant, or in food)
bǎo hé zhī fáng suān
saturated fatty acid (SFA)
fǎn shì zhī fáng
trans fat
trans-isomer fatty acid
duō yuán bù bǎo hé zhī fáng suān
polyunsaturated fatty acid
fǎn shì zhī fáng suān
see 反式脂肪[fan3 shi4 zhi1 fang2]