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The spermatozoids of primitive plants are often positively chemotactic, swimming toward the female organs in response to a chemical secreted by the latter.
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较原始的植物的游动精子有正向的趋化现象,总是游向由雌性器官所分泌的物质。 |
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The sphere balances at any and every point.
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自然界的平衡无所不在。 |
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The sphincter muscles around the anus will not allow things to pass through easily unless you relax and take it slow.
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一定要慢慢来,霸王硬上弓只会让括约肌越发紧张。 |
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The spice of life is to befriend.
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生命的多彩在于交友。 |
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The spices and cocoa powder give this recipe its name. The beef is sprinkled with the spice mixture then cooked with tomatoes, vinegar, graham cracker crumbs, and garlic.
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辣椒和可可粉给予了这道菜的名称。牛肉与辣椒调料混合然后与番茄、醋、全麦面包块以及蒜一起炖。 |
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The spider Pholcus phlangoides (or Daddy Long Legs) is a lightweight.
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“室内幽灵蛛”(或者是“长腿爸爸”)只是“轻量级”而已。 |
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The spider can catch insects by cobweb.
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蜘蛛能用蜘蛛网抓住昆虫。 |
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The spider has a bulgy abdomen.
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蜘蛛长着凸出的腹部。 |
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The spider has a velvety black body.
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那蜘蛛的黑色身子有如天鹅绒般光滑。 |
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The spider or cross mounted in the grooves in the casing halves must also rotate with the case and the ring gear.
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安装在部分外壳凹槽内的方向节十字轴或十字管也会随着差速器齿轮箱和环形齿轮一切旋转。 |
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The spiders in the experiment could not see or touch other spiders around them. They instead were able only to sniff out potential mates and competition.
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在这个实验中,这些蜘蛛不能看见和接触它们周围的其他蜘蛛,它们只能嗅出潜在的配偶和竞争对手。 |