Speedlight
n. 闪光管, 频闪放电管
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
You can take a horse to the water,but you cannot make him drink.
牵马河边易，逼马饮水难；不要逼人做他不愿做的事。
I beg your pardon?
请您再说一遍（我没有听清）。