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low-level 低水平的,低級別的。

low-lived

The losses in the low-level attacks on the bridges from the german anti-aircraft artillery were cruel . 在低空轟炸浮橋時,英國空軍由于德國高射炮炮擊造成的損失是很慘重的。

He then directed bundy to institute low-level photographic flights and to set up a meeting of top officials . 于是他指示邦迪開始進行低空攝影飛行,并召集高級官員開會。

Subsequent discoveries were made by geological mapping and low-level airborne radiometric surveys . 地質填圖和低空放射性航測又繼續探明了一批礦點。