Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
Yes, he missed a phone call from Alexandra.
对 他没接到Alexandra打来的电话。
Truth is stranger than fiction.
真理比幻想更奇特。
When Gary told me that he wanted to be a painter, I refused to give him any money.
当加里告诉我他想要当画家的时候，我拒绝给他钱。