Funis brachii
[医] 头正中静脉
🧩 词语组成解析
拟气管棍
[医]（拉）臂
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
It is easier to pull down than build.
败事容易成事难。
I know what you want.
我知道你想要什么。