单词	Acipenser
释义	Acipenser noun Ac·​i·​pen·​ser ¦a-sə-¦pen(t)-sər : a genus (the type of the family Acipenseridae) of ganoid fishes that includes most sturgeons acipenserid ¦a-sə-¦pen(t)-sə-rəd noun or adjective acipenserine ¦a-sə-¦pen(t)-sə-ˌrīn adjective Word History Etymology New Latin, from Latin, a fish (probably sturgeon) First Known Use 1614, in the meaning defined above
随便看	at the receiving end at the risk of at the risk of (doing something) at the risk of doing something at the root of at the same time at the seams at the sight of at the stroke of at the tender age at the threshold at the time of at the time of (something) at the time of something at the top of one's class at the top of one's form at the top of one's game at the top of one's lungs at the top of one's voice at the top of one's/the class at the top of the class at the top of the heap at the top of the hour at the top of the list at the top of the pile

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