Copper-alloy
铜合金
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
alloy
['ælɔɪ]
n. 合金;（合金中的）劣等金属;搀杂品;成色;
v. 合铸，熔合（金属）;铸成合金;在…中搀以杂质，使（金属）减低成色;
al(ad-=to)+loy(to bind)→合金；杂质；贬低；损害
🗣️ 情景例句
The gap is too wide to be filled. The largest cut we can offer is 5%.
价格差距太大，我们最多降价5%。
Have you invited any girls?
你邀请女孩吗？
It will be open to children with disabilities.
这所学校要对残疾儿童开放。