Selenide
n. 硒化物\\n[化] 硒化物; 硒醚
🗣️ 情景例句
Good-bye.
再见。
Have you taken a bus?
你坐过汽车吗？
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。