Breathe in and out; then switch back and forth.

吸入、呼出，然后再切换往复。

youdao

You can switch back and forth as many times as you like.

切换回HTML模式。您可以来回切换任意次。

youdao

The shell remains active, so you can conveniently switch back and forth between Sugar and Bash.

shell仍然是活动的，因此可以方便地在Sugar和Bash之间来回切换。

youdao

Key is to make it easy for users to switch back and forth.

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Additionally, PS Vita features both front and rear facing cameras, which allows users to switch back and forth between the two during a Skype call.

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These systems must be smart enough to independently switch back and forth from solar when the sun is out to fuel at night or when there is heavy cloud cover.

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