Signalling apparatus
[机] 信号装置
🧩 词语组成解析
[计] 信号传输法
🗣️ 情景例句
It was tough, but I made it. I'm a college graduate.
那虽然不简单， 但我成功了。 我现在是一名大学毕业生了。
Ouch! I fell down and cut my knee!
好痛呦！我跌倒割伤了膝盖！
Has Ian sold his house yet?
伊恩已指他的房子卖掉了吗？