单词：glass pressure tube
单词：glass pressure tube 相关文章
Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法
英国学生科学读本
On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,
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Kevin had just finished dessert. It was a piece of dark chocolate, washed down with a glass of cold milk. Delicious! He rinsed his mouth out with a glass of water, and then spit into the kitchen sink. He sat down at the dining room table and grabbed
365个英语简短小故事
Stethoscope[听诊器] Sphygmomanometer （Blood pressure gauge）[血压计] Thermometer[体温表] Tongue depressor （spatula）[压舌板] Needle[针头] Syringe[注射器] Cotton stick （ball）[棉签（球）] Bandage[绷带] Elastic bandage[弹
医学英语
Most of us are familiar with this phenomenon of travel: ear-popping usually happens during takeoffs and landings. 大多数坐过飞机的人都熟悉这样的现象：飞机起飞或落地时我们的耳朵会有胀胀的感觉。 Our ears pop becau
英语新闻
This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection
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