Hammarsten's theory
[医] 汉马斯坦氏学说(血液凝固)
🧩 词语组成解析
🗣️ 情景例句
He says it always brought him good luck on the baseball team.
他说 ，当年他在棒球队时这手套总是带给他好运。
These clothes are dirty, they need to be washed.
这些衣服脏了，需要去洗。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。