Ofl
abbr. official 官方的，正式的
🗣️ 情景例句
Could you please tell me the departure times?
你能告诉我出发的时间吗？
Here's no necessary.
我看没这必要。
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。