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quantity n.數量,數額。
(辨析)主要表示某種物質得量。
(例證) A large quantity of water is stored in the reservoir.
水庫存了大量得水。
We import huge quantities of oil each year.
我們每年進口大量石油。
aggregate n.〈正式〉總數,合計。
(辨析)指把各部分加起來得總數。
(例證) Dividends for the year amounted in the aggregate to $50, 000.
該年得紅利總計達5萬美元。
What is the aggregate of goals from the four football matches?
這4場足球賽得總進球數是多少?
amount n.數額,數量。
(辨析)普通用詞,主要與表示時間、金錢、物質等得不可數名詞連用。
(例證) He spent a large amount of time in New York.
他在紐約待了好長時間。
We need a small amount of fuel.
我們需要少量得燃料 。
dosage n.劑量,服用量。
(辨析)尤指經常性一次用藥得劑量。
(例證) You should reduce your daily dosage of the medicine.
你應該減少每天得用藥量。
Excessive dosage of this drug can result in injury to the kidney.
這種藥使用過量會損害腎臟。