Ladd-franklin theory
[医] 莱-弗二氏学说(色觉)
🧩 词语组成解析
n. 莱德（姓）
[计] 富兰克林
🗣️ 情景例句
Will you excuse me?
我失陪了
Thank you for your inquiry, but we cannot make you an offer right now because we are presently unable to obtain appropriate materials.
谢谢贵方询价，但我们不能马上发盘，因为目前我们得不到合适的原料。
Yes. I'd like to invite you to dinner at my flat before I move.
好的。我想在搬家前请你到我家吃饭。