boundary-line 同义词

1 界线

line limit edge barrier bound circumscription

相关词

protogine protostome protists protrusile protoplasmic protonotaries proteinase protohistory protease protophyte protonic proteins protested protectionism protoplasm protasis prothrombin protocol protect provability protection protoplast protectively proterandrous prothallium protea protonate protective protistology proterogyny