Meaning of sè:
sè
瑟
Noun
a type of standing harp, smaller than konghou 箜篌, with 5-25 strings
Tā zhèngzài zhǔnbèi yī gè guānyú gǔdài yuèqì de jiǎngzuò, qízhōng bāokuò sè.
他正在准备一个关于古代乐器的讲座,其中包括瑟。
He is preparing a lecture on ancient musical instruments, which includes the se.

