例句
The insect has strong mandibles for chewing.
这种昆虫有强壮的用于咀嚼的下颚。
The doctor examined the patient's mandible carefully.
医生仔细检查了病人的下颚。
The insect has strong mandibles for chewing.
这种昆虫有强壮的用于咀嚼的下颚。
The doctor examined the patient's mandible carefully.
医生仔细检查了病人的下颚。