Bimetallic signal device
[化] 双金属讯号装置
🧩 词语组成解析
a. 双金属的, (金银)复本位制的
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
Then we'll be able to make our fire there where it's safe.
然后我们就可以在那儿找一个安全的地方生火了。
There is nothing worse than apathy.
哀莫大于心死。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。