单词：steelhead
音标：['sti:l'hed] ；
虹鳟
n. A North Pacific salmon (Salmo Gairdneri) found from
Northern California to Siberia; -- called also hardhead, and preesil.
n. The ruddy duck.
Northern California to Siberia; -- called also hardhead, and preesil.
n. The ruddy duck.
词型变化：名词复数形式 : steelheads
词性分布：
steelhead的用法和样例：
例句
- Steelhead populations and rainbow trout populations can and do interbreed at different levels.刚头种群和虹鳟种群可以杂交，实际上也发生不同水平的杂交。
- It is possible for the offspring of rainbow trout to become anadromous and for the offspring of steelhead to develop a resident life history.陆封的虹鳟后代可以转变成溯河型，溯河刚头后代也可以转变成陆封型。