Translation of "Constrictor" in Chinese

She was a tiny girl, but she really held her own on the baritone sax. Nonetheless, I couldn't help but imagine the thing wrapping itself around her and devouring her like a boa constrictor.

她是一個非常嬌小的女孩，但她真的自己抱著中音薩克斯。不過，我忍不住想像這個東西纏繞包裹住她，並像蟒蛇般的吞噬她。