Vesuvine r
(染料)维苏文R, 碱性棕
🧩 词语组成解析
[医]苯胺棕, 碱性棕
🗣️ 情景例句
Ten o'clock tomorrow morning.
明早十点钟。
She requests your presence at the conference.
她恳求你们参加会议。
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，