noun🔗Shareリーフ, 礁A chain or range of rocks, sand, or coral lying at or near the surface of the water."The divers carefully navigated around the coral reef. "ダイバーたちはサンゴ礁の周りを注意深く航行した。geologyoceanenvironmentnaturegeographyChat with AIVocabulary GamePractice Reading
noun🔗Share鉱脈, 礁A large vein of auriferous quartz; hence, any body of rock yielding valuable ore."The gold miners found a rich reef, promising a large harvest of valuable ore. "金鉱掘りは、貴重な鉱石を大量に収穫できる有望な鉱脈を発見しました。geologymaterialmineralChat with AIVocabulary GamePractice Reading
noun🔗ShareリーフA portion of a sail rolled and tied down to lessen the area exposed in a high wind."To reduce the strain on the sailboat's rigging during the strong winds, the sailor reefed the mainsail. "強風時のヨットの索具にかかる負担を減らすため、船乗りはメインセイルにリーフをかけた。nauticalsailingChat with AIVocabulary GamePractice Reading
noun🔗Shareリーフ結びA reef knot."To tie the shoelaces, she used a reef knot. "靴紐を結ぶために、彼女はリーフ結びを使った。nauticalsailingChat with AIVocabulary GamePractice Reading
verb🔗Share帆を畳むTo take in part of a sail in order to adapt the size of the sail to the force of the wind."To make sure the sailboat didn't capsize, the sailor reeled in part of the sail, reefing it. "ヨットが転覆しないように、船乗りは帆の一部を畳んでリーフしました。nauticalsailingChat with AIVocabulary GamePractice Reading
verb🔗Share手綱を強く引くTo pull or yank strongly, especially in relation to horse riding."The horse rider reeled in the reins, reefing them tight to stop the runaway horse. "騎手は暴走する馬を止めるために手綱を強く引き、締めた。actionsportanimalChat with AIVocabulary GamePractice Reading
verb🔗Shareパドルホイールのフロートを中央に移動させる(of paddles) To move the floats of a paddle wheel toward its center so that they will not dip so deeply."Reef the paddles."パドルホイールのフロートを中央に移動させてください。nauticalsailingvehiclemachinetechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share発疹、かゆみThe itch; any eruptive skin disorder."My son had a bad skin reef on his arm, so we took him to the doctor. "息子は腕にひどい発疹ができたので、医者に連れて行きました。medicinediseasebodysensationChat with AIVocabulary GamePractice Reading
noun🔗ShareふけDandruff."My little sister has a bad case of reef; she needs to use a medicated shampoo. "妹はひどいフケで、薬用のシャンプーを使う必要があります。appearancebodymedicineChat with AIVocabulary GamePractice Reading
adjective🔗Share痂のある, 疥癬のScabby; scurvy."The old man's skin was reefy and cracked from years of sun exposure. "老人の肌は長年の日焼けで痂があり、ひび割れていた。appearanceconditionChat with AIVocabulary GamePractice Reading
