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🗣️ 情景例句
just listening to it.
听着这些声音时。
He's the youngest in the family.
他是一家中最小的。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。