| 释义 |
●at the same time- together; at one time同时◆I can't concentrate on two things at the same time.我无法一心二用。◆Can he really watch TV and study at the same time?他真的能一边看电视一边学习吗？
- on the other hand; however另一方面；然而◆It's a really good idea, but at the same time it's pretty risky.这确实是个好主意，不过风险也很大。
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