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
Thanks for everything, if you ever need a favor in return, just let me know.
感谢你所做的一切，如果你需要我帮忙的话，尽管开口吧。
Could you tell me where is the gas station?
你能不能告诉我加油站在哪里？
Twelve days later, millions more Indians lined the railway tracks as a slow train took the jar containing his ashes 584 kilometres to a place by the river.
12天后，当一列慢车将盛有甘地骨灰的坛子驶向584公里外，靠近恒河的一个地方时，又有数百万人排列的铁路两旁，夹道送行。