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
Things are looking up.
情况在好转。
Success grows out of struggles to overcome difficulties.
成功来自于克服困难的斗争。
The planes had been planting seed for nearly a month when it began to rain.
飞机撒播近一个月后，开始下起雨来。