Intermitter
间歇调节器
🗣️ 情景例句
Then three it will be.
好 ，就三杓。
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
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。