🧩 词语组成解析
a. 无茎的, 无梗的
weed
[wid]
n. 杂草;大麻;废物;烟草;
vt. 给…除杂草;除（草）;消除;
vi. 除草;
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
The two contestants are neck and neck with 20 points each.
比赛双方各得20分，打成平局。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。