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- There'll be no chemistry classes tomorrow. 明天没有化学课。
- My chemistry class includes laboratory work. 我的化学课包括实验。
- My chemistry class is very demanding. 我的化学课让我觉得很吃力。
- Clark and Vicky are talking after chemistry class. 上完化学课后，克拉克与薇琪在聊天。
- We put chemicals in test tubes in our chemistry class. 我们上化学课时把化学药品放进试管里。
- Jeremy: Excuse me, can you tell me how to get to chemistry class? （微笑着走过来）打扰一下，能告诉我上化学课怎么走吗?
- Steve and Yaser first met in their chemistry class at an American university. 史蒂夫和亚瑟第一次见面是在美国一所大学的化学课上。
- Tommy like all his classes, but he liked chemistry class in particular. 汤米喜欢所有的课，但他特别喜欢化学课。
- Tommy like all his classes,but he liked chemistry class in particular. 汤米喜欢所有的课，但他特别喜欢化学课。
- In chemistry class, we study the composition of molecules, such as water. 在化学课上，我们学习分子的构成，例如水分子的构成。
- In today's chemistry class, our teacher taught us how to carry out an experiment with sulphur dioxide. 今天化学课上，老师带我们做了个关于二氧化硫的实验。
- In today's chemistry class, the teacher introduced the chemical components of hydrogen sulphide. 今天化学课上,老师介绍了硫化氢的化学成分。
- We were supposed to have a chemistry class, but Mr. Anderson was out of town for a meeting, so we had a history lesson instead. 我们本来要上化学课,不过安德森老师出城去开会,所以我们改上历史课。
- I practiced some tactics of quizzing optimization in chemistry class of senior high school with related teaching contents and evaluations. 结合有关的教学内容、教学组织、教学评价、课堂提问的优化策略，本人在高一化学教学过程中开展了教学实践。
- On Writing on the Blackboard in Chemistry Class 论化学课堂教学的板书
- chemistry class in normal educatione 高师化学
- We have three periods of chemistry a week. 我们一星期三节化学课。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- Kindly send us two samples of each class quote for. 报价时，请对每一个等级的各寄两个样品。
