Academic Reading
Academic Reading #5: Unpack Long Sentences and Technical Words
Unpack Long Sentences and Technical Words
Find the subject and verb, then rebuild the detail.
Long academic sentences are often short messages with extra information packed around them. Your first job is to find the basic message.
Swipe across the diagram to read every label.
Find the sentence’s backbone
Ask “Who or what is this about?” and “What happens?” Consider this invented example: “The sensors installed near the outlet recorded a small temperature rise during the test.” The backbone is “The sensors recorded a rise.” The other groups tell you which sensors, what kind of rise, and when. Read the core first, then add each group back.
Open up noun groups
A phrase such as “battery temperature measurement error” hides several relationships. Its main noun is “error”: an error in measuring the temperature of a battery. Start from the main noun, often the final noun, and ask what each earlier word describes. Some phrases remain ambiguous; use the surrounding text or a diagram to check the intended meaning.
Recognise active and passive writing
“We measured the voltage” names the actor. “The voltage was measured” puts the measured quantity first. Both can be clear. In passive sentences, find the subject and the complete verb group, including “was” or “were.” In relative clauses, words such as “which” add information. Temporarily bracket that information, but restore it before you make a final interpretation.
Build a small, useful vocabulary bank
Save phrases, not only translations: “under ambient conditions,” “compared with the baseline,” or “a significant difference.” Record a simple definition and the sentence location. Words can change meaning across fields: “positive” may mean above zero; “significant” may have a statistical meaning. A dictionary or translation tool should help you inspect the original sentence. Check that it preserves negatives, comparisons, and uncertainty.
Your reading task
Unpack this invented sentence: “The samples that were stored at 5°C showed no significant change after seven days.” Identify the main subject and verb, the sample condition, and the qualification.
Open the model answer or self-check
Subject: the samples. Main verb: showed. Sample condition: stored at 5°C. Finding: no significant change after seven days. This does not mean that absolutely no change occurred, or that all storage temperatures would give the same result.
Use the Learning Lens glossary
Choose three terms from the abstract. Write a plain-English definition for each, then explain the abstract to a partner without reading it aloud.
Open the learning resource →All eight reading lessons
- Read with a Purpose, Not a Dictionary
- Find the Shape of a Research Paper
- Read Titles and Abstracts as a Research Story
- Follow the Argument and Its Signposts
- Unpack Long Sentences and Technical Words (this lesson)
- Read Figures, Units, and Uncertainty
- Judge Claims, Methods, and Limits
- Turn Reading into Notes, Questions, and a Short Talk
Built for Japanese science and engineering students. Paper spotlights are teaching paraphrases, not quotations. Practice sentences and diagrams are original teaching material. Read the linked original before citing a scientific claim. Continue with Academic Listening or Academic Presentation.
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