🧩 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
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
I'm always punctual.
我总是很准时。
Sometimes we aren't able to get into every building because there are too many steps.
有时我们并不能进每栋楼房，是因为楼梯太多了。