Selenious
a. 二价硒的, 亚硒的
🗣️ 情景例句
Yes, sir.
带来了 ，先生。
I took off my galsses.
我摘下了我的眼镜。
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。