Bercovitz test
[医] 贝科维茨氏试验(检孕)
🧩 词语组成解析
🗣️ 情景例句
Thank you.
谢谢 。
Do we have to wear the helmets?
我们得戴上防护帽吗？
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。