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- base apex line 棱底线
- God is the apex, without Whom the base collapses. 天主是顶点，没有了祂，底边便会塌陷。
- Stem erect, dichasially branched from base to apex. 茎直立，歧聚伞花序地分枝从基部向先端。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。
- I got two on the first base foul line. 我有两张垒界外线旁的座位票。
- He caught me off base with that question. 他的问题猝然把我给问倒了。
- The bombers swooped on the air base. 轰炸机突袭空军基地。
- Many languages have Latin as their base. 许多语言都以拉丁语为基础。
- His base conduct was condemned by everyone. 他的无耻行为受到所有人的谴责。
- His idea is completely off base. 他的想法大错特错。
- Two soldiers dismounted the gun from the base. 两个战士把炮从底座上卸下来。
- Draw a square with the line "XY" as its base. 以直线“XY”为基线画一正方形。
- In the first stage, when the magnetizing field is weak, the magnetic charges excited on the end surfaces will distribute uniformly along all base apex edges; 在磁化场强较弱的第一阶段，端面上被激励出的磁荷将均匀分布在各条底棱上；
- Line AB is the base of the triangle ABC. ab线是三角形abC的底边。
- In a poor, lowly, or base manner. 简陋地，谦卑地，卑鄙地
- The sea washes the base of the cliffs. 海水拍打著悬崖的底部。
- To betray a friend is a base action. 背叛朋友是卑劣的行为。
