Her bedroom faced his, so she kept her window open wider than usual to listen for the moment he walked into his room.
她和他的卧室邻窗而对，所以她把窗户开得比以往大些，好能听到他什么时候回房间。
2
The window was open and I faced it, making a pretense of studying the landscape.
我对着窗户，假装在欣赏风景。
3
Owing to high requirement aesthetic perception for the open-faced cellphone lens, injection moulding was more preferably adopted instead of traditional cutting process.