検索内容:
凝灰岩: tuff
This mountain is made of tuff.
斑糲岩: gabbro
This rock is gabbro.
岩石学: petrology
He is majoring in petrology at university.
雁首を揃える: line up (of two or more people)
The students lined up in response to the teacher's instructions.
雁首: bowl (part of a pipe); human neck or head
He cleaned the bowl of the pipe thoroughly.
発癌物質: carcinogen
This cigarette contains carcinogens.
両眼鏡: binoculars
I used binoculars to observe birds in the mountains.
発癌性, 発がん性: carcinogenicity
It is said that this substance has a high carcinogenicity.
赤外線天文学: infrared astronomy
Infrared astronomy plays a very important role in the study of the universe.
dam / prevent / stop up
Mr. Sekigami bought a necklace for his wife’s birthday.
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