Definition: in a very detailed way Level: B2
这部纪录片深入探讨了环境危机。
The documentary explores the environmental crisis ___in ___depth.
她决定为她的论文深入学习古代历史。
She decided to study ancient history ___in ___depth for her thesis.
审计被深入进行以确保准确性。
The audit was conducted ___in ___depth to ensure accuracy.
