Spherical trigonometry
n. 球面三角学
🧩 词语组成解析
n. 三角学
🗣️ 情景例句
Where's the dressing room?
试衣间在哪儿？
Who is calling?I don't recognize your voice.
谁打来的电话？我听不出你的声音。
A run-down watch is still a watch and can be rewound.
手表停了依然是只手表，还可以重上好发条。