Rain hit the water, forming a circle a circle, there is no barrier to spread.
雨点打在水面上，形成一个圈一个圈，毫无阻挡地扩散开来。
Mark geddes is a divemaster for a popular Great Barrier Reef water adventure group.
马克·格迪斯是有名的大堡礁水下冒险运动团体的潜水师。
A dam is a barrier holding water back.
水坝是防堵水的障碍物。
The water level in some ' barrier lakes' is high and rising .
部分堰塞湖的水位比较高，并且还在增长。
The water level in some ' barrier lakes' is high and rising .
部分堰塞湖的水位比较高，并且还在增长。
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