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
No,
记不起来了。
I invited him last Thursday.
我上个星期四邀请他。
He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。