reef

礁、サンゴ礁

海面近くに長く連なる岩やサンゴ。

やさしい英語で： A long line of rocks or coral close to the surface of the sea.

• Fish live around the reef.
• Our boat nearly hit a hidden reef.
• Divers explored the coral reefs near the island.

よく使う表現： coral reef, barrier reef, near the reef

縮帆部

強風のとき帆を小さくするために折り畳んで縛る部分。

やさしい英語で： A part of a sail folded and tied down to make the sail smaller in strong wind.

• We put a reef in the sail.
• The first reef made the boat easier to control.
• As the wind strengthened, they took another reef.

よく使う表現： take a reef, first reef, deep reef

縮帆する

風を受ける面積を減らすため、帆の一部を折り畳んで固定する。

やさしい英語で： To fold and secure part of a sail so less of it catches the wind.

• We need to reef the sail.
• The crew reefed the mainsail before the storm.
• Have you reefed enough for this wind?

類義語： shorten sail

よく使う表現： reef the sail, reef the mainsail, reef early

外輪の羽根を引き込む

船の外輪の羽根を中心へ引き込み、水に入る深さを浅くする。

やさしい英語で： To move a boat’s wheel paddles closer to the center so they enter the water less deeply.

• The engineer reefed the paddles.
• They reef the floats when the water is shallow.
• Can these wheel paddles be reefed further?

よく使う表現： reef the paddles, reef the floats