Levellilng bulb
[机] 平液球管
🧩 词语组成解析
bulb
[bʌlb]
n. 球茎，块茎植物;电灯泡;[解剖学]肿块;
🗣️ 情景例句
It is 90 points.
90分。
Quality matters more than quantity.
质重于量。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，