1.
The similar part of the forefoot of a quadruped.
前掌低等哺乳动物前足与人的手掌相似的部分
2.
a sloth that has three long claws on each forefoot.
每只前掌上有三个长爪的树懒。
3.
Reeve: A swift rise or lift onto the ball of the foot.
踮脚尖：用脚前掌球部迅速起身的动作。
4.
On the Ages of the M3 and M4 Unearthed at Qianzhangda Site in Teng County in Shandong Province;
关于山东滕州前掌大M3、M4的年代问题
5.
We are asked to grasp the elements of English grammar before we finish middle school.
要求我们中学毕业前掌握基础英语语法。
6.
"a man without sense gives his hand in an agreement, and makes himself responsible before his neighbour."
在邻舍面前击掌作保，乃是无知的人。
7.
Handle your brakes smoothly and progressively.
掌控你的操纵绳缓慢的并保持前进。
8.
rotation of the hands and forearms so that the palms face upward.
手和前臂的旋转以致手掌朝上。
9.
rotation of the hands and forearms so that the palms face downward.
手或前臂的旋转以致手掌面朝下。
10.
The Prime Minister was fully briefed before the meeting.
首相在会议前已掌握了详尽资料.
11.
To judge beforehand without possessing adequate evidence.
臆断没有掌握足够证据之前的判断
12.
It is the prerequisite for mastering the future and overcoming the past.
这是摈弃过去，掌握未来的必要前提。
13.
before artists had mastered the tricks of perspective
在画画的人掌握透视画法以前
14.
The corresponding part of the forefoot of a quadruped.
掌骨四足动物前脚所对应的部分
15.
World leaders in hand held search technology.
世界强国目前都掌握有搜索技术。
16.
The amount of knowledge that has been discovered is very large.
目前已经掌握的知识，内容十分丰富。
17.
Research of Tunnel Face Geological Conditions Detection Method;
隧道掌子面前地质状况探测方法研究
18.
"See, your name is marked on my hands; your walls are ever before me."
看哪，我将你铭刻在我掌上，你的墙垣常在我眼前。