单词：multigroove friction clutch
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That afternoon, Cousin Mary returned to Pineapple Place just as the Aldens returned from snorkeling. Such long faces! Is anything the matter? she asked when she noticed how quiet the children were. Was the water too cloudy for snorkeling? Sometimes t
64 The Black Pearl Mystery
With Jessie leading the way, the children hiked along the Pineapple Bay beach. This is a good snorkeling spot, Jessie said. Pineapple Bay is peaceful, and there are no sharks! My guidebook says there are some lava formations near the shore. So what a
64 The Black Pearl Mystery
That night, Jessie had trouble sleeping. She awoke several times. Finally she decided to get some fresh air. She stepped onto the back porch of the guest cottage. The moon was high in the sky, casting its silvery light over Pineapple Bay. Jessie walk
64 The Black Pearl Mystery
Fish 鱼 Fish live in water and most fish breathe through their gills. 鱼生活在水中，大多数的鱼靠鳃呼吸。 They have fins, scales, eyes and a mouth. 它们有鳍、鳞、眼睛和嘴巴。 They have a body part for hearing. 它们有接
与美国小学生一起学英文第1册
yellow-tailed gilthead whose flesh is extremely dainty and whose phosphorescent properties give them away in the midst of the waters; 金尾鲷鱼，肉特别鲜嫩，它们身上的磷光在海水中闪闪发亮； porgies tinted orange, with slende
《海底两万里》中英双语有声读物
DNA Testing to Help Sharks Keep Fins In a study in the journal Endangered Species Research, shark fins on sale were shown to be from a specific region in which shark populations have collapsed, evidence that may help change fishing regulations. Cynth
60秒科学