Sourceless
a. source的变形
🗣️ 情景例句
What's your second language in addition to Chinese?
除了汉语以外，你的第二语言是什么？
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。