Ketogenic substance
[醫(yī)] 生酮物質(zhì)
?? 詞語(yǔ)組成解析
a. 生酮的\\n[醫(yī)] 生酮的
substance
['s?bst?ns]
n. 物質(zhì)，材料;實(shí)質(zhì)，內(nèi)容;[神]靈;（織品的）質(zhì)地;
sub下面+st站立+ance表名詞→站在下面的東西→物質(zhì)；本質(zhì)
??? 情景例句
I had a busy day. I'm done.
我今天很忙，現(xiàn)在精疲力盡。
Do you have your driver's license?
你有駕駛執(zhí)照嗎？
You have to be able to check instructions.
你必須會(huì)查對(duì)說(shuō)明。你必須會(huì)籌劃工作。