S.-g.
[医] 萨-格二氏试验(梅毒絮凝反应)
🧩 词语组成解析
[医] 克, 龈的, 分生孢子的; 牛顿氏引力常数
🗣️ 情景例句
Who has torn these pages out of the book?
谁撕掉书上的这几页？
How's your niece?
你的侄儿好吗？
but the took a long time to send them Meanwhile,
但过了好长时间不见他把数字寄来，