驯化
参考答案:
是指被移植(引种)的种类,在新的水域环境中经过一定时期的生存适应,发展了某些适应性状,并在新的水域中繁殖后代,形成相当规模的种群。
—What is your math teacher like, Nick?
—She is very kind _______ she looks a little serious. [ ]
A. although
B. if
C. so
D. until
局间信令