| 词语 | 试管 |
| 释义 | 试管（shì guǎn） Pronunciation: shì guǎn Basic Meaning: test tube Detailed Explanation: The term "试管" refers to a glass tube with a rounded bottom and a long, narrow neck, used in scientific experiments for holding and mixing small quantities of substances. It is commonly used in laboratories for various purposes, such as chemical reactions, heating, and observation. The test tube is an essential tool in scientific research and plays a vital role in the field of chemistry and biology. Usage Scenarios: The term "试管" is commonly used in scientific and educational contexts, particularly in discussions or descriptions related to laboratory experiments, scientific research, and academic studies. Story Origin: The term "试管" originated from the combination of the words "试" (test) and "管" (tube). It reflects the function and purpose of the glass tube in conducting experiments and testing substances. Structure of the Idiom: The idiom "试管" is a compound word formed by combining two individual characters. The first character "试" means "test" or "experiment," while the second character "管" means "tube" or "pipe." Example Sentences: 1. 这个实验需要用到三根试管。 (Zhè gè shíyàn xūyào yòng dào sān gēn shìguǎn.) This experiment requires the use of three test tubes. 2. 化学老师正在用试管进行实验。 (Huàxué lǎoshī zhèngzài yòng shìguǎn jìnxíng shíyàn.) The chemistry teacher is conducting an experiment using a test tube. Memory Techniques: To remember the term "试管," you can associate it with the image of a scientist conducting experiments in a laboratory. Visualize the test tube and its typical use in scientific research. Additionally, you can create flashcards with the characters "试管" on one side and their meaning on the other side to reinforce your memory. Extended Learning: To further deepen your understanding of "试管," you can explore related scientific terms and concepts, such as different types of laboratory glassware, experimental procedures, and safety precautions. Additionally, you can read scientific articles or books that discuss the significance and impact of test tubes in scientific discoveries. Example Sentences from Students of Different Age Groups: 1. Primary school student: 我们在科学课上用试管进行实验。 (Wǒmen zài kēxué kè shàng yòng shìguǎn jìnxíng shíyàn.) We use test tubes for experiments in our science class. 2. Middle school student: 老师让我们用试管观察化学反应。 (Lǎoshī ràng wǒmen yòng shìguǎn guānchá huàxué fǎnyìng.) The teacher asked us to observe chemical reactions using test tubes. 3. High school student: 我们在生物实验室里用试管进行DNA分析。 (Wǒmen zài shēngwù shíyànshì lǐ yòng shìguǎn jìnxíng DNA fēnxī.) We use test tubes for DNA analysis in the biology laboratory. |
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