单词	self-propelled
释义	self-propelled /sɛlfprəˈpɛld / adjective Moving or able to move without external propulsion or agency: a self-propelled weapon... Tactical flexibility was also enhanced by mechanization and the self-propelled gun. Included in the tank groups of close infantry support were regiments of self-propelled artillery that were to follow the attacking tanks and support them with the fire from their cannons. Motor vehicles began to replace the horse in the early 20th century and self-propelled artillery became common during WW II. Derivatives self-propelling adjective ... Work by these artists, in this view, connects back to a premodern world where the image had not yet been fed into the self-propelling, dialectical machinery of aestheticism, critique, and more aestheticism. Constructed in the early 1960s for the U.S. Navy, Alvin is a three-person, self-propelling capsule-like submarine nearly eight meters long. Conservation of mass is trivially satisfied for a self-propelling fish since the water entering the forward control surfaces must equal that leaving at the other side. Rhymes beheld, eld, geld, held, meld, upheld, weld, withheld
随便看	black malt black mamba black man black mangrove black maple Black Maria black mark black market black marketeer black-marketeering black marketing black martin black mass black master black medick Black Mesa black metal Black Monday black money Black Monk Blackmore, R. D. Black Mountain Black Mountaineer blackmouth black-mouthed

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