run low

基本解釋

Due in part to increased human consumption of krill as fish stocks run low, blue whale numbers are only 3% of what they were in the 1800s.
隨著魚類資源的減少，人類對磷蝦的消費(fèi)有所增加，這在某種程度上造成了藍(lán)鯨數(shù)目的銳減，目前的數(shù)目僅為19世紀(jì)時(shí)的3%。
huzhangao.blog.163.com
Unlike plug-in hybrids such as GM's Voltwhich also offer zero-emission driving -- though at a far more limited range --Leaf drivers can't just stop at a gas station if they run low on battery power.
與插拔式混合車不同，如同樣提供零排放駕駛的通用公司的Volt車型（雖然它一次充電可行駛的距離更加有限），如果電池電力不足時(shí)，Leaf車型的駕駛員可不能去加油站充電。
When a cell has high levels of testosterone, RORA levels run low, which affects every gene that RORA is supposed to turn on.
當(dāng)一個(gè)細(xì)胞的睪酮水平較高時(shí)，RORA基因水平就低，這就影響到RORA基因應(yīng)該打開的每一個(gè)基因。

Some fear that supplies will begin to run low, causing prices to jump.
These low mountains are cut by some valleys that sort of run east-west ; you will see one there, the Valley of Jezreel, in particular; that was a particularly fertile valley.
那些矮小的山丘被東西走向的山谷截?cái)?你在這里會看到一個(gè)耶斯列山谷;,這是一個(gè)富饒肥沃的山谷。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選
They burned the captured supplies. Then they moved a few kilometers away to a long, low hill just northwest of the Bull Run battleground, where southern forces defeated a northern army a year before.

The new paid search systems direct traffic to other in-stock products when supplies run low.
FORBES: Improved Paid Search Ads Spurring Growth In E-Commerce