Eijkman
n. (Eijkman)人名；(荷)艾克曼
🗣️ 情景例句
Don't walk on the grass or you'll be in trouble with the law.
不要踏进草地，不然的话法律会找你麻烦的。
I wonder if the dentist could fit me in early tomorrow?
请问明天一早牙科医生能抽空给我看一下吗？
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，