Metacercariae may endure in the encysted state for several months.活囊蚴可以在包囊状态中生活几个月.The direct compression and artificial digestion method were used to examine the encysted metacercaria of C.用直接压片法和消化法检查淡水鱼虾体内的华支睾吸虫囊蚴.Obj...
He stopped the machine and replayed the message.他停下机器,重新播放了一遍信息。He rewound the tape and replayed a few bits and pieces.他倒好磁带, 又播放了几小段录音。Drawn matches were replayed three or four days later.没有分出胜负的比赛在三四天后重赛。Time - replaye...
a convoluted seashell.盘旋状贝壳She walks along the beach - collecting seashell.她沿海滩收集海贝.Now I'm looking for a starfish. And a seashell.现在我要来找海星和贝壳.How Does the Sound of the Ocean Get Inside a Seashell?到贝壳里“听海”?...