Question

reef n.礁，暗礁;[矿]矿脉;[航]缩帆部，榫帆部;vt.收帆，缩帆; third:reefs~done:reefed~pl:reefs~ing:reefing~past:reefed~

Accepted Answer

英[ri:f]  美[rif] N-COUNT礁;礁脉A reef is a long line of rocks or sand, the top of which is just above or just below the surface of the sea.例：An unspoilt coral reef encloses the bay.未受破坏的珊瑚礁环绕在海湾周围。

单词	reef
音标	英[ri:f] 美[rif]
解释	n.礁，暗礁;[矿]矿脉;[航]缩帆部，榫帆部;vt.收帆，缩帆;
例句	N-COUNT 礁;礁脉 A reef is a long line of rocks or sand, the top of which is just above or just below the surface of the sea. 例：An unspoilt coral reef encloses the bay.未受破坏的珊瑚礁环绕在海湾周围。
变形	third:reefs~done:reefed~pl:reefs~ing:reefing~past:reefed~

Reef 英[Ri:F 美[Rif N.礁，暗礁;[矿]矿脉;[航]缩帆部，榫帆部;Vt.收帆，缩帆 N Count 礁;礁脉 Long Line