流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.硝酸盐是水和土壤中自然存在的化学物质。Nitrates are chemicals that occur naturally in water and the soil.硝酸盐由土壤渗入江河。Nitrates leach fro...
The microphones had been switched off.这些麦克风已关掉。Somebody forgot to bring along the U-bolts to clamp the microphones to the pole.有人忘了带把麦克风固定在支架上的U形螺栓。They descended from the plane into a forest of microphones and cameras.他...
To try to open a foreign-owned business is to enter a thicket of regulations from which few emerge.要开一家外资企业就要钻条条框框，没几个出来的。Non-state firms gradually elbow aside the inefficient state-owned ones.非国有企业逐渐挤掉了效率低下的国有企业。The gov...