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Sentence analysis
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Sentence
Span Details
第二次世界大戦
Second World War; World War II; WWIInoun
中、
medium; average; middle; in; within; among; during; while; throughout; currently doing; in the process of; under; middle way; moderation; second volume (of three); junior high school; middle school; Chinanoun, suffix
日本海軍
(Imperial) Japanese Navynoun
は
topic markergrammar
潜航艇
midget submarine; submarine (obsolete)noun
を
object markergrammar
真珠湾攻撃
Attack on Pearl Harbornoun
に
direction, time, indirect object, or target markergrammar
投入
throw in; insert; deposit; invest; commit; inject; launch; introduce; submit (a job); issue (a command)noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar