The 156-meter-high Zipingpu Dam began to fill in December 2004, and within 2 years the water level had risen to 120 meters.
高达156米的紫坪铺大坝于2004年12月份开始蓄水，两年内水位已经涨到了120米。
We managed to take the front 2-by-2-meter unit farther down after shoring up some very nasty loose fill from Preclassic days (600 to 300 B.C.).
在撑起一些前经典时期(公元前600至300年)非常讨厌的松散填充物后，我们勉强在前方2米见方的一处继续挖了下去。
Carefully fill two sampling bottles completely with stream water. Use the dissolved oxygen meter to measure dissolved oxygen in the water.
小心地把两个取样瓶以溪水完全装满。以溶氧量计测量水中的溶解氧量。
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