Selenium dimethyl
[化] 二甲硒
🧩 词语组成解析
selenium
[[si'li:njəm]]
n. 硒\\n[化] 硒Se
[医] 二甲基
🗣️ 情景例句
What did you say? I didn't quite get that.
你说什么？我没听清楚。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。