Lactic acid series
[建] 乳酸系, 邻位羟基酸系
🧩 词语组成解析
lactic
['læktik]
adj. 乳的;
🗣️ 情景例句
Exactly.
完全正确。
I have forgotten his telephone number.
我忘记了他的电话号码。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。