Fetal phonocardionraph
[电] 胎儿心电图留声器
🧩 词语组成解析
fetal
['fi:tl]
adj. 胎儿的，胎的;
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
What will you do the day after on next?
后天你干什么？
an illness which at twelve would knock us over,
使我们在12岁时病倒的疾病，