Pair production
[化] 电子偶的产生\\n[医] 离子偶产生
🧩 词语组成解析
pair
[pɛə]
n. 一副;一对男女;套在一起的两匹马;雌雄成对的动物;
vt.& vi. （使…）成对，（使…）成双;
vi. 交配，交尾;
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
Write it on your heart every day is the best day of the year.
要记住，每天是一年中最好的一天。
But the significant thing is not the behaviour of the players but the attitude of the spectators:
但是，要紧的还不是运动员的行为，而是观众的态度，