硬

selective hardening

局部淬硬

selective gear 配齿轮 | selective hardening 局部淬硬 | selective interchangeability 选择互换性

hardness self-excitation

硬自励

hardness scale 硬度计 | hardness self-excitation 硬自励 | hardness test 硬度试验

self-hardening steel

自硬钢

self-gripping fastener 自闭带扣 | self-hardening steel 自硬钢 | self-hauling drill system 自行式钻机系统

self-hardening steel

气硬钢

Selenium Steel 加硒钢 | Self Hardening Steel 气硬钢 | Self-Climbing Steel-Form 自升式钢模

self-hardening sand

自硬砂

3.5.12. 合成砂 synthetic sand | 3.5.13. 自硬砂 self-hardening sand | 3.5.14. 水玻璃砂 sodium silicate-bonded sand

semiflexible wire rope

半硬钢丝绳

semifinished item 半成品 | semiflexible wire rope 半硬钢丝绳 | semimajor overhaul 半大修

semihard

半硬

semigroup /半群/半组/ | semihard /半硬/ | semihydrate /半水合物/

semihard rubber

半硬橡胶

semifinished product 半成品 | semihard rubber 半硬橡胶 | semihydrate 半水合物

semirigid

半硬式的

semiquaver 十六分音符 | semirigid 半硬式的 | semiskilled 半熟练的

semirigid

半刚性的; 半硬式的 (形)

semiquaver 十六分音符 (名) | semirigid 半刚性的; 半硬式的 (形) | semiskilled 半熟练的 (形)

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人