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
and it is on a half-acre lot.
用地半英亩。
A friend in court is better than a penny in purse.
曩中有钱，不如朝中有友。
I think there is a possible problem if you tell the manager about the thief.
我想，如果你向经理告发这个窃贼，可能存在这样一个问题。