ballast
音標['b?l?st] 讀音漢語翻譯
n. 壓載物, 壓艙物
【經】 底貨, 壓艙貨
詞型變化：
動詞過去式:ballasted 過去分詞:ballasted 現在分詞:ballasting 第三人稱單數:ballasts英文解釋：
名詞 ballast:
- any heavy material used to stabilize a ship or airship
- coarse gravel laid to form a bed for streets and railroads
- an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
- a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)同義詞：ballast resistor, barretter
- an electrical device for starting and regulating fluorescent and discharge lamps同義詞：light ballast
動詞 ballast:
- make steady with a ballast
例句：
- The readiness of a vessel for sailing with regard to ballast, sails, and yards.船的航行狀態從船的壓載、船帆和帆桁方面考慮看船的狀況是否能夠航行
- He has got no ballast whatever.他這個人一點也不沉著。
- Pig iron used as permanent ballast.壓載鐵做為永久性壓艙物的生鐵
- The ballast placed in the ship can keep the ship steady.放在船上的壓艙物可以保持船的平穩。
詳細解釋：
bal.last
n.（名詞）Heavy material that is placed in the hold of a ship or the gondola of a balloon to enhance stability.壓艙物，壓載：放在船艙或氣球吊籃里以增加穩定性的重物
Coarse gravel or crushed rock laid to form a bed for roads or railroads.道碴：用來鋪公路或鐵路路基的粗砂礫或碎石The gravel ingredient of concrete.石碴：組成混凝土的砂料Something that gives stability, especially in character.穩定因素：表明穩定性的因素，尤指在性格方面v.tr.（及物動詞）bal.last.ed,bal.last.ing,bal.lasts To stabilize or provide with ballast.用壓載物來穩定或支撐To fill (a railroad bed) with or as if with ballast.鋪沙石：用或似用沙石鋪（鐵路路基）
來源：Perhaps from Old Swedish 可能源自 古瑞典語 or Old Danish barlast 或 古丹麥語 barlast bar [mere, bare] * see bhoso- bar [僅僅的，僅有的] *參見 bhoso- last [load] last [載重]
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