Helweg's tract
[醫] 黑耳維西氏束, 橄欖脊髓束
?? 詞語組成解析
tract
[tr?kt]
n. 大片土地;（神經纖維的）束;小冊子;<古>一段時間，長時間;
??? 情景例句
Look before you leap.
想好了再行動。
I must have dialed a wrong number.
我一定撥錯號了。
He was late again. It's typical of him to keep everybody waiting.
他又遲到了。他的特點就是讓別人等他。