jr.是什么意思

jr.

低年级生；年少等级地位较低者;

例句:

1、

Ralph, Jr. skateboards by. The teenagers watch him from behind the tree.

小拉尔夫踏着滑板滑过. 男孩子们躲在树后看着他.

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2、

JR analysis showed that IFR was in the form of cycle-type structure.

红外分析表明该阻燃剂具有环状结构.

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3、

JR 2 rectangle metal hoses, the use of all-metal structure products.

JR2矩型金属软管, 本产品采用全金属结构.

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