pref.表示“通,总”之义;
例句:
He pronounced it Per-sha, the way the English do.
他像英格兰人那样将它读成Per-sha。
They have been per-suaded of the merits of peace.
他们被劝服,认识到了和平的好处。
The vehicles have a top speed of 80 kilometres per hour.
这些车辆最高时速为80公里。