K-r
[医][=an anti-cancer compound extracted from trypanosomes]从锥虫提取的一种抗癌复合物
🗣️ 情景例句
It's bright and clear today.
今天天气晴空万里。
He likes playing the violin.
他喜欢拉小提琴。
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，