水蒸发 同位素分馏:首字母填空2个

来源:百度文库 编辑:高校问答 时间:2024/05/15 01:34:31
1.Peter is i_ in Fantail goldfish.

2.At last he worked out the p_

应该是1.interested 2、problem

interested 对…感兴趣
problem(s) 难题

1.interested 2、problem

interested 、problem