Porosus metal
[機] 多孔金屬
?? 詞語組成解析
metal
['m?tl]
n. 金屬;金屬元素;成色;金色;
vt. 以金屬覆蓋;
??? 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我們一般不采用信用卡。
All the figures tally with the projected total.
合計和預算的總額一致。
She usually wears that round her middle when she goes out.
她外出時總是把它系在腰上。