降低reduce;tone down;cut down;drop;lower
南瓜有助于～糖尿病患者的血糖水平。Pumpkin can benefit diabetics by lowering blood sugar levels./生活水平有所～。The level of living standards went down (or dropped)./氣溫～。The temperature has dropped./～成本reduce costs; keep costs down /～調(diào)門tone down rhetoric /～風險reduce risks;risk reduction /～關稅總水平lower(or bring down)the overall tariff level/～勞務費reduce service charges/～門檻lower the threshold of /～消耗reduce consumption of materials |