Black snakeroot
[醫(yī)] 美升麻, 黑升麻
?? 詞語組成解析
black
[bl?k]
adj. 黑（色）的;黑色人種的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑顏料;黑暗;
v. 使變黑;抵制;拒絕;使變黑暗;
n. 總狀升麻, 總狀升麻根\\n[醫(yī)] 美蛇根, 蛇根馬兜鈴
??? 情景例句
Do you have any sales experience?
你有銷售經(jīng)驗(yàn)嗎？
What do you mean? not at all!
哪有？
He was so angry as to be unable to speak.
他氣的連話都說不出來了。