Prefading
预调节
🗣️ 情景例句
We have a new artist.
我们找来了一位新的美工人员。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
For once, Harry had to admit defeat.
哈里只好认输。