品詞ごとの意味
名詞 1
a rigid bar that is used to exert a pressure or sustain a weight at one point of its length by the application of a force at a second and turning at a third on a fulcrum.
てこ
He used a lever to lift the heavy rock.
彼は重い岩を持ち上げるためにてこを使った。
同意語
イディオム
最終更新時刻: 2025/01/11 11:45
