Sachs's test
[医] 萨克斯氏试验(检胎盘完整)
🧩 词语组成解析
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
She seldom eats breakfase.
她很少吃早餐。
His great flight lasted thirty-seven minutes.
他这次伟大的飞行持续37分钟。