Black scours
[医] 黑泻病, 牛秋季腹泻病
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
[医] 家畜腹泻病
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
Better late than never.
迟做总比不做好。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。