Epifluorescence
萤光显微镜
🗣️ 情景例句
But I promise you, Alexandra,
但是我向你保证，Alexandra，
We only live once,, but if we work it right once is enough.
我们生命只一次，好自为之一次足矣。
There is a house near the river.
小河旁有一间房子。