Bercovitz test
[医] 贝科维茨氏试验(检孕)
🧩 词语组成解析
🗣️ 情景例句
but he usually managed to squeeze a Sunday in
但是他总会设法挤出星期天，
The chemist discovered a new synthetic material.
化学家发现了新的复合物质。
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。