Fluorogen
荧光团
🗣️ 情景例句
He grew up happily in a small village.
他在小村庄里快乐地长大。
The daily rate is $32.00 plus 39 cent per mile.
日租金32美元，每英里外加3角9分。
'You should have declared that.
“你刚才应该申报，