Barium selenate
[机] 硒酸钡
🧩 词语组成解析
barium
[['bɛəriəm]]
n. 钡\\n[化] 钡Ba
n. [化]硒酸盐(或酯)
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Would anyone like seconds?
谁要换其他的饮料？
Behind the house there is a tree.
房子后面有一棵树。