... yellow rust 黄锈 yellow strain 黄色污染,黄斑 yellow varnished cambric tape 黄蜡带,黄漆带 ...
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划过海洋云层明亮的黄色弧线是船舶的航迹——那是些由水蒸汽与船舶排放出来的无数污染微粒凝结而成的云。
The bright yellow arcs that streak the marine cloud layer are ship tracks—clouds that form when water vapor condenses onto the myriad tiny pollution particles in ship exhaust.
该产品为无色至微黄色透明液体或白色粉剂，无毒、无刺激性、无腐蚀性，不对环境产生污染。
This product is colorless transparent liquid faintly yellow or white powder, non-toxic, without excitant, noncorrosive, not pollute the environment.
在空气重污染情况下将会发出预警，霾的预警级别由低到高分别为蓝色、黄色、橙色和红色四个等级。
Four-tier alerts - blue, yellow, orange and red - will be issued on "heavy pollution" days.
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