Erythromycin estolate
[化] 无味红霉素; 红霉素丙酸酯月桂基硫酸盐
🧩 词语组成解析
n. 红霉素\\n[化] 红霉素
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Experience is a school from which one can never graduate.
经验无止境。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。