Secondary radiation
[化] 次级辐射\\n[医] 次级放射
🧩 词语组成解析
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
By the end of October 1886, the statue had been put together again and it was officially presented to the American people by Bartholdi.
到1886年10月底，这座雕像被重新组装起来，由巴索尔地正式赠送给美国人民。