L-lactic acid
[医] 左旋乳酸
🧩 词语组成解析
lactic
['læktik]
adj. 乳的;
🗣️ 情景例句
You know I'm very excited about his arrival.
知道我对他的到来是多么兴奋。
He is in conference.
他正在开会。
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。