dart和flutter的区别

dart:

n. 飞镖急驰，飞奔一阵剧痛（衣服的）褶热带和亚热带鱼类

v. 急冲，飞奔投掷，投射把（目光）飞快扫向

The dart cannot feed itself.

飞镖无法自食其力。

She made a dart for the door.

她朝门口冲去。

Nina felt a sudden dart of panic.

尼娜突然感到一阵恐慌。

Car horns toot as cyclists dart precariously through the traffic.

当骑车人冒失地穿过车流时，汽车喇叭响个不停。

flutter:

v. 飘动（鸟或昆虫）鼓翼飞来飞去（心脏等）怦怦乱跳（人）奔忙

n. 振动（非正式）小赌注紧张兴奋（心脏的）怦怦乱跳扑动（重放录音的）颤振The sparrow fluttered its wings and flew away from the windowsill.

麻雀振翅飞离窗台。

Flags are fluttering in the breeze.

旗帜在微风中飘扬。

Her heart gave a flutter when she saw him.

她见到他时心怦怦乱跳。

The sound of his voice in the hall made her heart flutter.

他在大厅中讲话的声音使她的心怦怦直跳。