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Sentence
Span Details
笑気麻酔
nitrous oxide anesthesia; laughing gas anesthesianoun
は
topic markergrammar
安全性
safety; securitynoun
が
subject markergrammar
高い
high; tall; expensive; high-priced; high in level; above average; high-quality; loud; high-pitched; shrilli-adjective
とされ
is regarded as; is said to be-> とされるgrammar
てい
ongoing or resultant state-> ているgrammar
ます。
polite non-pastgrammar