形容词
中文翻译：没有按钮的
同义词：
['buttonless', 'button-free', 'without buttons']
例句：
-
1. The new car has a buttonless ignition system.
这款新车有一个无按钮点火系统。
-
2. The shirt is buttonless, so it doesn't need to be fastened.
这件衬衫是无钮的，所以不需要系扣子。
-
3. The room was buttonless, so we had to use scissors to cut the tape.
房间没有钮扣，所以我们不得不用剪刀剪断胶带。