T1d50
[医] 半数组织感染量
🗣️ 情景例句
What's the best way to learn English?
学习英语最好的方法是什么？
I hope you can like the show.
我希望你能喜欢这表演。
The plane was late and detectives were waiting at the airport all morning.
飞机误点了，侦探们在机场等了整整一上午。