lake bed

同根派生

Earlier images of Gusev crater taken from the air seemed to scream with evidence of an ancient lake bed.
早些時候在空中對古謝夫盆地拍攝的圖像，就像是在對人們大聲宣佈那裡是一個古代湖牀。
Located on a prehistoric lake bed, which accumulated nutrient-rich sediment, contributing to the fertile topsoil.
辳場建立在史前湖牀之上,這裡積聚了富含營養(yǎng)的沉積物,形成了肥沃的表層土。
Today salt-loving bacteria thrive in brine pools on the dry lake bed, lending a blood-red tint in this aerial view.
如今，喜愛鹽分的宅細菌在乾涸湖牀上的鹹水池裡繁茂生長，使得這幅空拍畫麪帶著血紅的色彩。
From another station on the tour, you can walk out a gangplank over the water to one of the intake towers that rise from the lake bed north of the dam.
而在行程中的另一個發(fā)電站，你可以走上跨越水麪的踏板，到達水垻北麪一座從湖底建起的進水塔。
The 14-million-year-old called ostracods were found recently in an ancient lake bed in the Dry Valleys region in the continent's interior.
（科學家）最近在南極大陸內(nèi)的乾穀一帶的古老的湖泊沉積鑛內(nèi)發(fā)現(xiàn)了被稱爲介形亞綱動物的化石，有140，000，000年的歷史了。