单词 | chum salmon |
释义 | chum salmonnoun variants or less commonly chum : a metallic bluish green salmon (Oncorhynchus keta) of the northern Pacific Ocean and Arctic Ocean that may reach a length of about 3.5 feet (1 meter) but is typically smaller Note: Upon entering fresh water to spawn, the male chum salmon develops large, sharp teeth and becomes dark green to brown with reddish-purple vertical stripes. |
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