🧩 词语组成解析
dart
[dɑrt]
vt. 投掷，投射;使迅速突然移动;
vi. 向前冲，飞奔;
n. 飞镖，标枪;急驰，飞奔;（虫的）螯;飞快的移动;
🗣️ 情景例句
and his book
他的书
I can't do two things at the same time.
我只有一双手。
the cost of managing and administering the business.
企业行政管理费。