“baleen whales”造句,怎麼用baleen whales造句
any of several baleen whales of of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin.
The elastic, horny material forming the fringed plates that hang from the upper jaw of baleen whales and strain plankton from the water.
Large baleen whales are of special concern.
Populations of large baleen whales now store only 15 percent of the carbon they had before whaling.
However, the position of the eyes so restricts the field of vision in baleen whales that they probably do not have stereoscopic vision.
The little shellfish is eaten by baleen whales, salmon, herring and various seabirds.
There is a known as the "tiger of the sea" killer whale, sometimes dozens of head formed a group, surrounded by a more than 30 tons of baleen whales, a few hours ate it up.
Now a new study suggests that all this destruction can be traced back to humans overfishing sperm and baleen whales between 1946 and 1979.
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“哥哥,謝謝你”造句,怎麼用哥哥,謝謝你造句
1、過去之後,他就説:“大哥哥,謝謝你。”2、因為你,我從小都沒被朋友欺負過;因為你,我從小都沒有背過重的書包;因為你,我從來都是歡樂地長大;哥哥,謝謝你,給了妹妹我最好的保護和幫助。3、坐公交車,上來一個80多歲的老奶奶,手裏拎了大包小包的東西這時一個小夥子給她讓了座...
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1、鼠目寸光鼠肚雞腸鼠竄狼奔鼠跡狐蹤鼠竊*盜投鼠忌器賊眉鼠眼膽小如鼠。2、白魚入舟 求馬唐肆 龍騰虎躍 鼠跡狐蹤 首鼠兩端 。3、目的塑料地板膠制鼠跡板測試居民區住宅外鼠密度可行*。4、方法:首先用鼠跡板法調查,然後用夾夜法。5、方法目測法、鼠跡調查...
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“纈更昔洛韋”造句,怎麼用纈更昔洛韋造句
1、鉅細胞病毒感染可使用*物治療,如更昔洛韋,纈更昔洛韋和膦**。2、方法以更昔洛韋為原料,經過酯化、還原兩步反應得到目標物纈更昔洛韋。3、近期發現:先期預防*應用纈更昔洛韋在對鉅細胞病毒的預防是有效的。...
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