泳钟 nectocalyx, swimming bell 系形成管水母群体的个员中,最与水母型构造相近的个员。具辐管、环管、缘膜和很发达的下伞肌等,与典型的水螅水母型几乎相同,但无垂管、借伞的收缩,排出伞腔内的水,利用其反作用使群体运动。钟泳亚目中有2个泳钟上下合在一起的种类(例:双水母 Diphyes)在悬囊亚目之浮囊的下方,多数泳钟纵列集中而构成泳钟部(nec tosome)其他类型的个员仅见于其下方。
绰号叫“水中怪物”的他,是第一个在400米自由泳中游进4分钟的人。
Nicknamed a "monster in the waves", he was the first man to swim under four minutes in the 400-meter freestyle.
我们10岁的男孩子们有泳镜,我们找了又找,找了大概45分钟。
Our 10-year-old boys had goggles and we searched and searched and searched for about 45 minutes.
水平样板(有搅拌,1 ~ 10级):此样板与“L”样板相似,是在槽液温度,有搅拌的情况下泳涂2分钟。
"H" Horizontal panel with agitation (1 to 10) This panel is similar to the "l" panel and is coated at tank temperature, with agitation for two minutes.
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