boulders

irremovable boulders; irremovable obstacles.

无法移走的大石块；无法清除的障碍

the boulders look round and smooth.

这些砾石看起来又圆又滑。

boulders barred her passage.

巨石拦住了她的路。

a scatter of boulders round the pothole mouth.

散布在坑穴口周围的零星巨石。

a swift stream abrading boulders;

激流磨蚀着砾石；

Seals basked on boulders in a flat calm.

海面平浪静，海豹在巨石上晒太阳。

The river takes a headlong plunge into a maelstrom of rocks and boulders.

河水急流而下， 入一个漂砾的漩涡中。

upper boulders were simply seated in the interstices below.

上层卵石刚好填在下面的缝隙中。

Erratics ate boulders transported by glaciers and deposited some distance from their point of origin.

漂砾是由冰川搬运并在距发源地一定距离的地方堆积的巨砾。