名詞 propulsion:

1. a propelling force
2. the act of propelling
   同義詞：actuation

1. And the propulsion method whether steam or diesel, you'll leave to us, I suppose?
   至于動(dòng)力方式是采用“蒸氣式”抑或“柴油式”, 我想貴公司將交由我方全權(quán)處理吧？
2. A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion.
   翼剖面; 機(jī)翼; 翼面一個(gè)部件或平面，如機(jī)翼、螺旋槳葉、方向舵等，其形狀或方位控制穩(wěn)定性、方向、抬升、沖擊或驅(qū)動(dòng)
3. This aircraft works by jet propulsion.
   這架飛機(jī)是噴氣推進(jìn)的。

pro.pul.sion

n.（名詞）
The process of driving or propelling.
推進(jìn)：驅(qū)使或推進(jìn)的過程
A driving or propelling force.
推進(jìn)力：一種驅(qū)動(dòng)或推進(jìn)的力量

來源：
Medieval Latin prôpulsiô prôpulsiôn- [onslaught, urging on]
中世紀(jì)拉丁語 prôpulsiô prôpulsiôn- [攻擊，催促]
from Latin prôpulsus [past participle of] prôpellere [to drive forward] * see propel
源自 拉丁語 prôpulsus [] prôpellere的過去分詞 [向前驅(qū)動(dòng)] *參見 propel

【引伸】
propul.sive 或
propul.sory