Selenium diethyl
[化] 二乙硒
🧩 词语组成解析
selenium
[[si'li:njəm]]
n. 硒\\n[化] 硒Se
a. [化]二乙基的
🗣️ 情景例句
Are you ready to order now, sir?
先生，你准备点菜吗？
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。