Bilien
膽汁烯, 一烯膽色素核
??? 情景例句
... my slogan is I care.
……我的口號是， 我關心 。
A little labour,much health.
適量的勞動大有益于健康。
We regard them as unnecessary creatures that do more harm than good.
我們把昆蟲當作害多益少的無用東西。