Magnesium orthoborate
[化] 原硼酸鎂
?? 詞語組成解析
magnesium
[m?g'ni:zj?m]
n. [化]鎂（金屬元素）;
??? 情景例句
The darkest evening of the year.
在這一年中最漆黑的夜晚 。
I can come any time except Sunday.
除星期天外我都能來。
he saw two thieves rush out of a shop and run towards a waiting car.
看到有兩個小偷從一家商店里沖出來，奔向等在那里的一輛汽車，