Fluorescer
荧光剂; 荧光增白剂
🗣️ 情景例句
Yes.
是的。
She was so stunned, that she couldn't speak.
她惊愕得说不出话来。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，