Sellaite
氟鎂石
??? 情景例句
The woods are lovely, dark and deep,
林子迷人 漆黑而深邃
Between friends all is common.
朋友之間不分彼此。
The disadvantage with carrying out interviews is that it may take a long time.
走訪用戶的不利之處是它需要很長(zhǎng)的時(shí)間。