Monohydrate
n. 一水合物；一水化物
??? 情景例句
OK, a movie. Six words.
好， 一部電影。六個(gè)字。
Happy is he who knows his follies in his youth.
記得青年時(shí)所做的愚笨事的人是幸福的。
You're always welcome.
別客氣。