Barrier reef
n. 堤礁（珊瑚礁的一种）; 堡礁
📖 牛津释义
barrier reef
coral reef separated from land by a channel 堡礁, 堤礁.
🧩 词语组成解析
reef
[rif]
n. 礁，暗礁;[矿]矿脉;[航]缩帆部，榫帆部;
vt. 收帆，缩帆;
🗣️ 情景例句
That sounds fine.
这样听起来蛮好的。
Three times a week I have to walk all the way to the gym for my Phys Ed class.
一周有三次，我为了参加体育课而必须走路到体育馆。
They support the cables from which the bridge has been suspended.
高塔支撑着钢缆，而钢缆又悬吊着大桥，