Smoke grenade
发烟手榴弹，发烟枪榴弹
🧩 词语组成解析
smoke
[smok]
n. 烟;吸烟;
vi. 冒烟;抽烟;快速;
vt. 用烟熏制;吸（烟），抽;
grenade
[gri'neid]
n. <军>手榴弹;催泪弹，灭火弹;
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
Where are you going?
你去哪儿？
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。