黑板

You are supposed to copy down what teacher wrote on the blackboard.

你最好把老师写在黑板上的东西抄下来。

If you have a teacher who writes notes on the board, that's really good: You can copy them down.

如果你的老师在黑板上写板书，那可真是不错：你可以照抄下来。

Please copy down all the words on the blackboard.

请把黑板上的字都抄下来。

Put it on a wet sponge to clean crayon off a chalk board.

湿海绵上放些小苏打可以擦掉黑板上的粉笔画。

They hung orange and black crepe paper along the tops of the chalkboards, pasted paper pumpkins and black cats on the walls.

她们在黑板上沿挂上橙色和黑色的绉纸，在墙上贴纸裁的南瓜和黑猫。

You quickly scan what she's scrawled on the board with her crone's hand

你飞快的扫描了一遍她用她那又老又丑的手在黑板上的涂鸦

If you should look around at the walls, you will see a crucifix in front, just above the blackboard.

如果你看看四周的墙壁，你会见到前面有一个十字架，正在黑板的上端。

T: Work in groups of four. Find out words including the diphthong /

把学生找到的单词都板书在黑板上。

Can I bang your erasers after class?

下了课我能给你擦黑板吗？

I had trouble seeing the board at school. So my parents took me to an eye doctor.

那时候我在学校上课看黑板时有些困难，所以爸妈带我去看眼科医生。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。