Polystictine
[医] 木云芝素
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
Thereis no wool so white but a dyer can make it black.
羊毛再白，也能染黑。
examined a very large number of men working on aircraft carriers:
调查了许多在航空母舰上工作的人，