- 重点词汇
- 预防接种
preventive/prophylactic vaccination; preventive/prophylactic inoculation
- 中心
center; centre; hub; heart; focus; nucleus; epicenter; focal point; kernel; centre stage; locus; pivot; middle; seat; heartbeat; nub; capital; base; board; central; focal
- 电话
telephone; phone; the telephone; telephony; communication; telephone system; blower; buzz