🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
screen
[skrin]
n. 屏幕;银幕;屏风;
vt. 掩藏;庇护;检查;放映;
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
Who laughed a while ago?
刚才谁在笑？
Snakes did not acquire their poison for use against man but for use against prey such as rats and mice, and the effects on these of viperine poison is almost immediate.
因为蛇有毒液不是用来对付人的，而是对付它的猎物，诸如鼠类，毒液对这些猎物会立刻起作用。