ss结尾单词三单加es，那么一个s结尾的呢？
在英语中，动词 gas（给…加汽油/释放气体）的第三人称单数形式存在两种拼写变体，需根据语境和语言习惯选择：
mechanic
Vanessa老师- 我差一点挂了！My Near-Death Experience
A couple weeks ago, as I was driving, I started to hear a strange sound in our car.
在英语中，动词 gas（给…加汽油/释放气体）的第三人称单数形式存在两种拼写变体，需根据语境和语言习惯选择：
A couple weeks ago, as I was driving, I started to hear a strange sound in our car.