n. 仰卧；掌心向上
1.The multi-functional neutral pen integrates normal writing, supineness writing and writing in the zero gravity sate and brings great convenience to users.
本实用新型，集正常书写、仰卧书写和失重状态下书写多功能于一笔，会给使用者带来很大方便。
2.The multi-functional neutral pen integrates normal writing, supineness writing and writing in the zero gravity sate and brings great convenience to users.
本实用新型，集正常书写、仰卧书写和失重状态下书写多功能于一笔，会给使用者带来很大方便。
3.The multi-functional neutral pen integrates normal writing, and supineness writing.
这支多功能中性笔整合了普通书写和仰卧书写功能。