Thymamine
胸腺精蛋白
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。
Even people who take no interest in art cannot have failed to notice examples of modern sculpture on display in public places.
即使是对艺术不感兴趣的人也不会注意到在公共场所展示的现代艺术品。