Fossa carotica
[医] 颈动脉三角
🧩 词语组成解析
n. 窝, 凹\\n[医] 窝, 凹
🗣️ 情景例句
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。