Mutamer
变构物, 旋光异构物
🗣️ 情景例句
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是靠自己的能力。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
I could see no valley, no farms, no cottages and no church spire -- only a lake.
可现在我却看不出山谷，看不见农舍，也看见教学尖顶，看见只是一片湖泊。