Comtel
abbr. commercial telegraph 商务电报
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
I've got an slight in my chest.
我的胸口有点痛。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）