退黑激素
tuì hēi jī sù
Pinyin
Definition
退黑激素
-
- melatonin
Character Decomposition
Idioms (20)
一条路走到黑
- 1 lit. to follow one road until dark (idiom)
- 2 fig. to stick to one's ways
- 3 to cling to one's course
不知进退
- 1 not knowing when to come or leave (idiom); with no sense of propriety
勤俭朴素
- 1 hardworking, thrifty, plain, and simple (idiom)
天下乌鸦一般黑
- 1 all crows are black (idiom)
- 2 evil people are bad all over the world
尸位素餐
- 1 to hold a sinecure (idiom)