Buxidine
[化] 黃楊葉堿; 黃楊定
??? 情景例句
you need to work at it, Grandpa.
你得常練它， 爺爺。
My brother is not quite twenty-five.
我的兄弟不夠25歲。
Follow your teacher's instructions.
按照他/她告訴你的去做。