Levin's tube
[医] 列文氏管(经鼻胃肠管)
🧩 词语组成解析
🗣️ 情景例句
Can you give me a hand with my homework?
你能帮忙教我做家庭作业吗？
Well, the worst of the winter should be over.
不过，冬天最糟糕的一段日子总该过去了。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。