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English Terminology Recitation Library｜Ebbinghaus Review Cycle
按艾宾浩斯遗忘曲线每日推送复习。先背 ★★★，再 ★★。下方为必须脱稿的核心术语表，结合 背诵卡片生成指令 一键扩充成 Anki 卡。
Economics（商科核心，必须全背）
| Term | Official English Definition |
|---|---|
| Scarcity | Wants are unlimited but resources are limited |
| Opportunity cost | The highest-valued option forgone when a choice is made |
| Equilibrium price | The price at which quantity demanded equals quantity supplied |
| Price elasticity of demand | %ΔQd ÷ %ΔP |
| Effective price ceiling | A legal maximum price set below the equilibrium price |
| GDP | Total market value of all final goods & services produced within the domestic territory in a period |
| Inflation | A sustained increase in the general price level |
| Linked Exchange Rate System | HKD pegged to USD (7.75–7.85) under a currency board system |
| Comparative advantage | Ability to produce a good at a lower opportunity cost |
| Multiplier | k = 1 / (1 − MPC) |
English（Paper 2 学术搭配 + 逻辑连接）
| Function | Academic phrase |
|---|---|
| 开头立论 | It is widely contended that... / A pressing issue facing society is... |
| 递进 | Furthermore / Moreover / In addition |
| 转折 | Nevertheless / However / That said |
| 因果 | Consequently / As a result / This gives rise to |
| 让步 | Admittedly, ... but ... |
| 总结 | In conclusion / To sum up / On balance |
高频易错词：affect (v.) vs effect (n.)；economic (adj. 经济) vs economical (adj. 节约)；their / there / they're；its vs it's；fewer (可数) vs less (不可数)。
Mathematics（术语 + 计算陈述句式）
| Term | English expression |
|---|---|
| 判别式 | discriminant Δ = b² − 4ac |
| 标准差 | standard deviation σ |
| 四分位距 | inter-quartile range (IQR) |
| 复利 | compound interest A = P(1+r/n)^(nt) |
| 独立事件 | independent events: P(A∩B)=P(A)P(B) |
| 计算句 | By the cosine rule, ... / By similar triangles (AAA), ... |
Chemistry（必背拼写 + 实验句式）
| Term | English |
|---|---|
| 同位素 | isotopes: same protons, different neutrons |
| 离子键 | electrostatic attraction between oppositely charged ions |
| 渗透/扩散（化） | osmosis / diffusion |
| 氧化 | oxidation = loss of electrons (OIL RIG) |
| 中和焓 | enthalpy change of neutralisation (1 mole of water) |
| 观察句 | Colourless gas evolves; the gas turns limewater milky |
拼写高频雷区：separate、occurred、burette、desiccator、effervescence、sulphuric、equilibrium、precipitate。
Biology（细胞/生理/生态学术语）
| Term | Official English Definition |
|---|---|
| Osmosis | Net movement of water molecules from a less concentrated to a more concentrated solution through a semi-permeable membrane |
| Active transport | Movement against a concentration gradient using ATP |
| Gene | A short length of DNA that codes for a polypeptide |
| Homeostasis | Maintenance of a stable internal environment |
| Reflex | A rapid, automatic, involuntary response to a stimulus |
| Ecosystem | A community of organisms interacting with the abiotic environment |
AI 抽查背诵指令
prompt
Randomly pick 10 professional terms from [Subject] vocabulary library below. Ask the student to state the official HKEAA English definition orally (or in writing) one by one. After each answer, correct spelling and expression errors and give a score out of 10.
Vocabulary source: [粘贴上方对应科目的术语表]