鼠标左键的英文：
the left mouse button

参考例句：

Highlight the chosen area by clicking and holding down the left mouse button.
通过点击鼠标左键并摁住以突出显示所选区域。

Click the left mouse button corresponding lattice placed pawn.
鼠标左键点击相应的格子放置棋子。

click on Setting, Control panel, and click with your left mouse button on the Users icon
点击设置、控制面板，然后在用户图像上点击鼠标左键。

mouse是什么意思：
n. 鼠；懦夫；女人；青肿；灰褐色；小火箭；鼠标
v. 捕鼠；偷偷地搜寻；拖动鼠标；搜索；在（绳子）上打结

He mou1ded clay into a bust. [He mou1ded a bust out of clay.]
他用黏土塑成一座半身雕塑像。

They have moused out a scandal.
他们已打探出一件丑闻。

The cat is playing with a live mouse.
猫在戏弄那只活老鼠。

The mountain has Brought forth a mouse
虎头蛇尾

The burglar moused about for valuables.
窃贼鬼鬼祟祟地四处搜寻值钱之物。

button是什么意思：
n. 钮扣；按钮
v. 扣住；扣紧；在…上装钮扣

Button up, will you?
别讲话，好吗？

This is a toggle button.
这是一个切换按钮。

Enter button. This button is used to program frequencies in memory.
确认按钮,用来对已编程的频率记忆,了解编程操作更多的信息请参看编程模式相关章节。

The dress was studded with buttons.
裙子上装饰了许多饰钮。

Mari did up the buttons.
玛丽系好扣子。