And it turns out that my left ear’s hearing is noticeably weaker in certain frequencies—it has what ear docs call the “noise notch” that afflicts those exposed to serious sound.

原来我的左耳对某些频率的声音特别不敏感——这就是医生们所说的“噪音空隙”，它们困扰着那些在噪声下工作过的人们。

youdao

The sound is top notch.

声音是一流的。

youdao

Visually the game is impressive, the sound is top notch however the few flaws I noticed I hope can be ironed out before the game ships.

视频效果给人印象深刻，音响效果是高水平的，然而我发现一些小缺点，希望在游戏上市之前修正。

youdao

With an exclusive Battlefield 3 design, the Razer BlackShark brings forth extreme comfort for long, extended missions and top-notch sound isolation.

ENGADGET: Razer outs Battlefield 3 aviator headsets

With a sleek aluminum design and green accents, the Razer BlackShark brings forth extreme comfort for long, extended missions and top-notch sound isolation.

ENGADGET: Razer unveils its own BlackShark, black and green version ships next month for $120