Pyrazolidinyl
吡唑烷基
🗣️ 情景例句
You drink too much. I think you're hooked on alcohol.
你喝得太多了。你是不是喝酒上瘾了？
ON. It gets bright.
合上开关，它就会变亮。
Be careful! Don't throw your cigarette out of the window. If you do that, you may start a fire. Put it out in the ashtray.
当心！别把香烟丢到窗外。要是你那样做，会引起火灾的。把它熄灭在烟缸里。