baseline
/ˈbeɪslaɪn/ (bre, ipa) · /ˈbeɪslaɪn/ (ame, ipa) · /ˈbās-ˌlīn/ (ame, mw)
baseline — 名詞
1. a starting level or set of early measurements that you record first, so that lat
基準；基準值
用來比對後續變化的起始水準或數據
a starting level or set of early measurements that you record first, so that later changes in things like test results, prices, or pollution levels can be measured against it.
Doctors took a blood-pressure reading on Monday to establish a baseline for the trial.
醫師在週一量血壓，為這項試驗建立基準值。
collocation: establish a baseline for sth
Sales in January gave the team a useful baseline for tracking growth across the year.
一月的銷售數字給團隊一個追蹤全年成長的基準。
pattern: baseline for tracking/measuring sth
Air-quality readings from 1990 still serve as the baseline against which new data is compared.
1990 年的空氣品質數據至今仍是新資料比對的基準。
The teacher gave a short test in week one to set a baseline for each child's reading level.
老師在第一週做了一次小測驗，為每位學生的閱讀程度設下基準。
Profits this quarter came in well above the baseline that the board had agreed in March.
本季利潤遠高於董事會三月時訂下的基準。
- benchmark
very close in meaning, but suggests a target to beat or match
- reference point
more general; baseline is specifically the starting state
- starting point
everyday word; less technical than baseline
- yardstick
a standard for judging quality, not necessarily a starting measure
文法句型
a baseline for sth
set a baseline
above/below the baseline
用法筆記
Distinguish from sense 2 (the painted sports line): this sense is abstract and almost always appears with verbs like 'establish', 'set', 'provide', or with prepositions 'for', 'against', and 'above/below'. Often used attributively too — 'baseline data', 'baseline figures'.
常見錯誤
2. in tennis or basketball, the painted line at each end of the court that marks wh
底線
球場兩端劃定界線的線
in tennis or basketball, the painted line at each end of the court that marks where the playing area stops; in baseball, either of the two straight lines that run from home plate out past first or third base.
Serena stood right on the baseline and waited for the second serve.
Serena 站在底線上等對手發第二球。
collocation: stand on the baseline
The umpire ruled that the ball had landed just inside the baseline.
主審判定球落在底線內側。
collocation: land inside/outside the baseline
Hana hit a sharp ground ball straight down the third-base baseline for a double.
Hana 把一記強勁的滾地球沿著三壘邊的底線打出，跑成了一支二壘安打。
Coach Olu told the players to spread out along the baseline under the basket and wait for her signal.
Olu 教練要球員沿著籃下的底線散開，等她的指示。
Young Pablo kept hitting his returns long, sending the ball well past the baseline at the back of the court.
Pablo 一直把回擊球打得太遠，球老是飛到球場後方的底線外。
- baseline stripe
informal phrase for the painted line in tennis
- back line
general term used for any line at the back of a court
- endline
preferred term in basketball for the same line
- sideline
the line running along the long side of the court instead of the short end
- service line
in tennis, a forward line that the baseline is contrasted with
文法句型
on the baseline
behind the baseline
用法筆記
Use this sense only for the painted line itself. The strip of dirt that a baseball runner travels on is more often called a 'basepath' in everyday speech.