Vannevar
[人名] 万尼瓦尔
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
The days are getting longer.
白天越来越长了。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。