单词 | 蚶 | ||
释义 | 蚶—small clam (Arca inflata)Examples:蚶子—blood clam 魁蚶—arc clam (Arca inflata)
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例如牡蛎、贻贝、蛤、鸟蛤、蚶和扇 贝)从1990年84.6%下降到2010年的75.5%,反映了海水养鱼的快速增长,从 1990年到2010年年平均增长率为9.3%(比软体动物产量增长率快7倍)。 fao.org | The share of molluscs (mostly bivalves, e.g. oysters, mussels, clams, cockles, arkshells and scallops) declined from 84.6 percent in 1990 to 75.5 percent in 2010, reflecting the rapid growth in finfish culture in marine water, which grew at an average annual rate of 9.3 percent from 1990 to 2010 (seven times faster than the rate for molluscs). fao.org |
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