Rawlplugs
(rawlplug 的复数) n. <建>罗威纤维管, 罗威套管
🗣️ 情景例句
Don't drink the tap water.
别喝自来水。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。