Conserver
[医]保存者, 管理者
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
Hold fast when you have it.
紧握你手中之物。
Realizing that this was no ordinary fish, the fisherman made every effort not to damage it in any way.
那位渔民意识到这根本不是一条普通的鱼，于是千方百计不让它受到丝毫伤害。