🧩 词语组成解析
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
Let us take a break now.
让我们休息一下。
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。