Needle cast
落叶病，落针病
🧩 词语组成解析
needle
['nidl]
n. 针;针状物;<口>刺激性言行;
vt. 用针缝，刺;刺激，激怒;<俚>增加（饮料的）酒精含量;
vi. 缝纫;
cast
[kɑ:st]
vt. 铸造;投掷;投射;脱落，脱皮;
n. 铸型;演员表;轻微的斜视;投，掷骰;
vi. 掷，投;计算，加;
🗣️ 情景例句
I'm thirty.
我三十岁。
Riches do not always bring happiness.
富未必永远带幸福。
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？