Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.

方法将大鼠眼球投入到由多聚甲醛、醋酸和丙酮组成的改良固定液中固定后制成石蜡切片,经HE染色后在显微镜下观察。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次称为「休伦」，因其遗迹在加拿大南部休伦湖北方的岩石中清晰可见。

At its farthest end, three glaciers meet to dump their effluvia into the milky grey glacial water, launching massive igloo icebergs into the lake with thunderous splashes.

在最远的一端，三条河汇聚到一处，将硕大的块注入奶白色的河流中，块互相碰撞，水花四溅，形成令人叹为观止的奇景。