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- Retinoids are Vitamin A derivatives and are available in topical and oral formulas. 痤疮治疗：维甲酸维甲酸是维生素A的衍生物，可在局部使用。
- Applied some regulations of oral formulaic theory, the author researches the features of thought and some characteristics of aesthetic. 运用口头程式理论的若干规则可探究出这些祝赞词所具有的口传思维的特点及其表述上的审美特征，即反复、铺排、精微、形象等。
- Available in both topical and oral formulas, antibiotics such as erythromycin and tetracycline are often used to treat moderate to severe acne. 抗生素如红霉素，四环素常常被用来治疗中度至重度痤疮。
- He will take an oral examination. 他将接受口试。
- My oral English is pretty rusty. 我的英语口语全荒废了。
- The formula of the medicine is still a secret. 此药的配方仍是秘密。
- "How do you do?" is a polite formula. "您好。"是客气的套语。
- It was Hart who created the basic formula of the western film. 正是这个哈特创造了西部电影的基本格局。
- Tongue twisters are used in our oral practice. 我们在口语练习中用饶口令。
- The oral opening in an earthworm is small. 蚯蚓的口是很小的。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- The old man told us a story passed on by oral tradition. 老人给我们讲述了一个口头流传的故事。
- A formula for settling the border dispute has been worked out. 已拟定一个解决边界纠纷的方案。
- An oral thermometer; an oral vaccine. 口用体温计; 口服菌苗
- Managers and workers are still working out a peace formula. 劳资双方仍在商谈制订和解方案。
- They are working on the perfection of their new paint formula. 他们正在努力研制尽善尽美的新颜料配方。
- It's the formula for converting gallons into liters. 这是加仑与升的换算公式。
- She tried to wrap up a censure in a polite formula. 她试图用客套的话掩饰指责之意。
- She snatched at every chance to practice her oral English. 她把握一切机会练习英语口语。
