Predoctoral
a. 博士前的 (指攻读博士学位或从事博士前工作的)
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
Better be alone than in bad company.
交损友不如无友。
How is the new material working out for you?
新原料用得如何？