Put a big plastic on the leg of the chair , then observe . 2 将点燃的酒精灯放到袋口下,看有什么现象。
2.
A vessel containing oil or alcohol burned through a wick for illumination 酒精灯一种装有油或酒精并通过灯芯燃烧来照明的容器
3.
Chemsurf laminate can be damaged by flame from bunsen burners . the burners should be placed on a trivet to protect the laminate surface 煤气灯或酒精灯的火焰会损坏本产品的表面,故煤气灯或酒精灯需置于三脚架上使用。
4.
Chemsurf laminate can be damaged by flame from bunsen burners . the burners should be placed on a trivet to protect the laminate surface 煤气灯或酒精灯的火焰会损坏本产品的表面,故酒精灯或煤气灯需置于三脚架上使用。
5.
Air in the engine is cyclically heated ( by an alcohol burner ) and expands to push the power piston ( shown in blue ) to the right 空气在引擎中是不断地加热(由酒精灯加热) ,在空气膨胀时就会推动施力活塞(图中蓝色部分)到右边。
6.
There was no food on the premises , but there was water , and he took advantage of the fog to emerge from the mansion , and fetch tea , bread , and butter from a shop in a little place two miles beyond , as also a small tin kettle and spirit - lamp , that they might get fire without smoke 于是他就利用闹雾的天气,走出屋外,到两三英里以外的一个小地方的店铺里,买了茶点面包和黄油,还买了一个铁皮水壶和一个酒精灯,这样他们就有了不冒烟的火了。