- 重点词汇
- 唯一
only; one; sole; unique; single; alone; solitary; solely; all; only one; the only one; the sole; the unique
- 方法
method; way; means; manner; road; avenue; gateway; route; measure; approach; mode; system; channel; medium; methodology; formula; prescription; recipe; technique; tool; device; instrument; mechanism; mechanic; tack; line; view; lever; technical