Parent metal
[化] 基层金属
🧩 词语组成解析
parent
['pɛərənt]
n. 父亲（或母亲）;先辈;根源，起源;保护者;
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
It could be Alexandra.
可能是 Alexandra 。
You were here in February,weren't you?
二月份你曾在这里，对不对？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，