Sym-trinitrobenzene
[化] 1,3,5-三硝基苯
🧩 词语组成解析
[计] 符号, 系统, 制
[机] 三硝基苯
🗣️ 情景例句
We have four people in the family, my parents, my elder brother and I.
我家有 4 口人，我的父母，我的哥哥和我。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
It's mild,but it's not always pleasant.
气候温和，但也不总是宜人的。