I did an experiment in chemistry class.
化學(xué)課我做了一項(xiàng)實(shí)驗(yàn)。
I need a new lab partner for chemistry class.
我想找個(gè)人和我在化學(xué)實(shí)驗(yàn)課同組。
Clark and Vicky are talking after chemistry class.
上完化學(xué)課后，克拉克與薇琪在聊天。
He skipped chemistry class three times last month.
上個(gè)月他翹了三次化學(xué)課。