noun
数据来源:WordNet
The hybrid sturgeon in cement pool had the habit of hiding during the day and coming out at night , while that in deep water cage stayed at the base in riptide and swam in slack tide .
水泥池养殖的杂交鲟具有昼伏夜出习性,深水网箱养殖的杂交鲟流急时在网箱底部活动、流缓时到水层中游动;