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Sentence
Span Details
フェムト秒
femtosecondnoun
レーザー
lasernoun
レザーれーざーleather; leathercloth; imitation leatherレザーれーざーrazor
は
topic markergrammar
超高速
ultrahigh speed; ultrafastnoun, pre-noun adjective
現象
phenomenonnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
観測
observation; survey; measurement; opinion; prediction; thinkingnoun, suru verb
に
direction, time, indirect object, or target markergrammar
使わ
use; make use of; employ; handle; spend; consume; speak-> 使うgodan verb
れる。
passive voice; suffering passive; potential form; spontaneous occurrence; honorific (sonkeigo)auxiliary verb, auxiliary