Tries to enter the lock in read mode, with an optional time-out.

尝试以选用的逾时，在读取模式下进入锁定状态。

youdao

Tries to enter the lock in write mode, with an optional time-out.

尝试进入写入模式锁定状态，可以选择超时时间。

youdao

Objective To investigate the relation between the replacing time of water-sealed bottle and the thoracic cavity infections, and determine the optional time for replacement.

目的研究胸腔闭式引流一次性水封瓶更换时间与胸腔感染是否相关，以确定更换一次性水封瓶的时间。

youdao

Still, an average of 20% of all customers buy optional insurance from the rental company every time they drive a rental.

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SocialPsych encourages students to take optional multiple-choice quizzes during their free time to earn badges certifying mastery of a subject.

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Now is a really bad time to decide that reality is optional.

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