Teroxide
三氧化物
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
Love looks with telescope; envy with microscope.
爱情大处著眼，忌妒吹毛求疵。
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。