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...
Poach the pears in apple juice for perhaps ten minutes at most.把梨放入苹果汁中，最多煮10分钟左右。We need 100 tons of cement at most for this project.这项工程满打满算有一百吨水泥就足够了.There were at most twenty people in the classroom.教室里最多不过20人....