Alkaline-earth oxide
[機] 堿土
?? 詞語組成解析
alkaline
['?lk?lain]
adj. 堿性的，堿的;含堿的;
n. 堿度，堿性;
earth
[?θ]
n. 地球;陸地;泥土;獸穴;
vt. 把（電線）接地;蓋（土）;追趕入洞穴;
vi. 躲進地洞;
oxide
['ɑksa?d]
n. [化]氧化物;
??? 情景例句
Now, we always use different packing for different goods.
我們一向是不同的貨物用不同的包裝。
I'm sorry,but both of them are busy right now.
很抱歉他們現在很忙。
So he couldn't buy himself lots of good things. But he had lots of friends instead.
所以他不能給自己買很多好東西。可是他卻有許多朋友。