Serotyping
[医]血清分型
🗣️ 情景例句
Not a bad idea, Robbie.
蛮好的主意， Robbie。
How much is a call to the United states?
打一个电话到美国去需要多少钱？
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。