单词：principal axis
principal axis的用法和样例：
例句
- The main axis of a compound leaf.复叶的主轴。
- Some turrets can also roll along their main axis if needed.也可以把炮管设置为可环绕自身主轴旋转。
单词：principal axis 相关文章
[00:00.00] Uint 7 [00:02.90]Lesson 25 [00:06.14]New word and expression [00:10.08]manners [00:11.52]pl.礼貌 [00:12.96]Zak [00:14.18]n.扎克 [00:15.41]Epps [00:16.69]n.艾普斯 [00:17.97]principal [00:19.45]n.校长 [00:20.92]seat [00:22.24]n.座位
广州初中4A
axis, ['ksis] n 轴（虚构之线，如地轴，坐标轴） 【记】i象虚线－虚轴
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