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上化学

上化学

上化学

上化学

1

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。

2

During the Chemistry course we had a few Physics lessons where we had to perform our own experiments .

上化学课期间，我们还上过一些物理课，在课上，我们必须自己做实验。

3

the students of class 4 were having their chemistry class . Miss Li was telling the children what water was like .

4 班的学生正在上化学课，李老师正在告诉孩子们水是什么样子的。

4

A police put some chemicals on the piece of paper and a line of words showed up .

一位警察在一张条上涂上化学药品，一行字迹清晰地显现出来。

5

The drink they dissected was the Bloody Mary , perhaps the world 's most chemically complex cocktail .

化学家们研究的是 “血腥玛丽 ”，它堪称世界上化学成分最为复杂的鸡尾酒。

6

When a battery is connected to a load , a chemical reaction begins .

当把电池接到一个负载上，化学反应就开始了。

7

We are going to have chemistry lessons next year .

我们明年要上化学课了。

8

11

Chemical or mechanical method of removing the coating from the substrate .

从基材上化学的或机械的方法移除涂层。

13

He lectured on chemistry to a CLASS .

他给一个班上化学课。

14

He skipped chemistry class three times last month .

他上个月三次没上化学课。

15

We have chemistry at half past four this afternoon.

今天下午四点半我们上化学。

16

We have chemistry at half past eleven .

我们十一点半上化学课。

18

The students were having a chemistry lesson .

学生们在上化学课。

19

Do you often have science classes here ?

你们经常在这儿上化学课吗？

20

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？

21

Do you have chemistry in the afternoon ?

你们在下午上化学课吗？

23

Symptoms and Treatment of Chemical Combined Injuries on the Sea

海上化学复合伤症状特点及对救治的影响

24

Study on the Technology of the Electroless Copper Plating on the Stainless Steel Substrate

不锈钢基体上化学镀铜工艺研究

25

Study of electroless nickel plating on brass

黄铜基体上化学镀镍的研究

26

Chemical Coupling of Anti-DNA Antibody on Collagen Coating

胶原涂层上化学偶联抗 DNA 抗体的可行性

27

The system for structural searching based on a high selectivity topological index EAID

高选择性拓扑指数和网络上化学结构的检索系统

28

An Investigation of Electroless Tin Plating on Copper Substrate

铜基上化学镀锡工艺研究

29

Electroless Nickel Plating of Porous Alumina Ceramic

氧化铝泡沫陶瓷增强预制体上化学镀镍工艺研究

30

A Review of Electroless Nickel Plating Technology on Magnesium Alloys

镁合金上化学镀镍工艺的研究

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